Short answer: the Buyers Products 6.3 cu ft All-Purpose Poly Storage Chest is the best truck toolbox for full size beds overall, because it bolts to almost any bed rail, swallows 6.3 cubic feet and carries a 4.5 star rating across more than a thousand buyer reviews. If your budget is tighter, the VEVOR 25 L wheel-well box is the pick — it swings out 180 degrees, folds flat when you are not using it and stays under almost any tonneau cover.
That said, the word “full size” hides the decision that actually matters. A box that fits a Ford F-150 8 ft bed can be physically impossible to mount in a Ram 1500 short bed, not because the box is too big overall, but because the gap between the two wheel wells is narrower than the box is wide. Owners on the forums describe fit the same way: wheel well to wheel well, not the advertised length. Get that one number right before you fall for any listing.
We compared 12 boxes across aluminum, steel and polyethylene shells, from full-bed drawer systems down to underbody chests, weighing fitment, lock security, weather sealing, weight penalty and how much usable bed each one leaves you. This guide covers what actually fits a full size bed, which styles clear a tonneau cover, and where the payload hit lands on a half-ton.
If you are still deciding what else the bed needs, our guides to truck bed liners for heavy hauling and truck bed tents for camping cover the two most common companion upgrades.
Table of Contents
Top 3 Best Truck Toolboxes for Full Size Beds in 2026
Our top three cover three very different use cases. The Buyers chest is the generalist. The ARKSEN 49-inch box is the one to buy if you want real storage volume and a lock without the premium-tier markup. The VEVOR wheel-well box is the one that barely touches your bed at all.
Buyers 6.3 cu ft Poly Chest
- 6.3 cubic feet of polyethylene storage
- Rated to 500 lb
- Drill and bolt to any bed rail
- Made in the USA
ARKSEN 49 Inch Aluminum Chest
- 180 liter aluminum storage
- Keyed lock with two keys
- 26 lb aluminum diamond plate
- Waterproof sealing
VEVOR 25 L Wheel Well Box
- 25 liter two-compartment ABS
- Swings out 180 degrees
- Folds flat to free the bed
- Works under most tonneau covers
All 12 Boxes at a Glance in 2026
Every box below appears in the individual reviews further down, in the same order. Styles are grouped roughly by how much of the bed each one takes from you.
| Product | Specs | Action |
|---|---|---|
| Buyers Products 6.3 cu ft Poly Storage Chest |
|
Check Latest Price |
 DECKED Truck Bed Storage System XF5 |
|
Check Latest Price |
 UWS 69 Inch Matte Black Aluminum Crossbed |
|
Check Latest Price |
 RealTruck UnderCover SwingCase SC203P |
|
Check Latest Price |
| ARKSEN 49 Inch Aluminum Truck Bed Box |
|
Check Latest Price |
 confote 48 Inch Aluminum Toolbox 9.47 cu ft |
|
Check Latest Price |
 Buyers Products 14x16x24 Steel Underbody Box |
|
Check Latest Price |
 ARKSEN 18 Inch Aluminum Underbody Box |
|
Check Latest Price |
 VEVOR 24 Inch Aluminum Underbody Box |
|
Check Latest Price |
 BIGREAT 60 Inch Aluminum Chest |
|
Check Latest Price |
 FGJQEFG 34.5 Inch Low Profile Aluminum Box |
|
Check Latest Price |
| VEVOR 25 L ABS Wheel Well Tool Box |
|
Check Latest Price |
Truck Toolbox Styles Explained for Full Size Beds
A truck toolbox is a lockable storage container mounted to a pickup’s bed rails, bed floor or frame so that tools, recovery gear and small cargo stop sliding around the bed. Full size bed boxes come in six working styles, and the right one depends on whether you would rather lose bed length, lose bed width, or lose nothing at all.
Crossover boxes straddle both bed rails, sitting half in the bed and half above it. You give up a few inches of width but keep nearly all the length, and the low-profile lid versions still clear a tonneau. Chest boxes sit fully inside the bed against the front wall, so they cost you length rather than width and they work on almost any truck. Wheel-well swing cases hug one wheel well and pivot out for access, which is the closest thing to a free upgrade you can get. Drawer systems fill the bed floor with drawers and leave a flat deck above them. Underbody boxes bolt to the frame and leave the bed completely open, at the cost of ground clearance and payload headroom. Low-profile boxes are essentially short chests that slide under a cover.
Owners on forums tend to land in one of two camps. Full-bed system owners describe the organisation payoff as transformative, and one F-150 EcoBoost forum member put it plainly, calling a DECKED system the best full bed system he had ever had or seen. Other owners just want the box out of the way, and the recurring request in threads is storage that does not take up the entire bed while still being able to haul a dresser. Both camps are served below, with different picks.
1. Buyers Products 6.3 cu ft Poly Storage Chest — Best Overall Truck Toolbox for Full Size Beds
Buyers Products 1712240 All-Purpose Poly Storage Chest, 6.3 cu ft, Black
6.3 cu ft polyethylene chest
28 lb empty
44 x 19 x 17.5 inch
Rated to 500 lb
Pros
- Made in the USA with high density ribbed polyethylene
- 6.3 cubic feet in a 44 inch footprint
- Drill through and bolt down friendly
- Lock ready hasp accepts any standard padlock
Cons
- Not weather sealed out of the box
- No built-in lid stay so add gas struts
- Hasps deter casual theft only
This is the box I keep coming back to for a full size bed, and the reason has less to do with the material than with how adaptable it is. It is a 6.3 cubic foot polyethylene chest measuring 44 inches long, 19 inches wide and 17.5 inches tall, weighing 28 pounds empty, and rated to 500 pounds. That combination of volume, low weight and total owner control over how it is mounted is rare in this category.
What separates it from every other chest here is mounting. The polyethylene wall is easy to drill and bolt straight to a bed rail, to a rack, or to a trailer tongue, and that is exactly how most owners adapt it. It arrives without hardware or weatherstripping, and you decide both. For a truck that might change hands or a bed that needs to carry different loads, that flexibility is worth more than a factory gasket.
The double-wall moulded lid is genuinely rigid. Reviewers report it does not flex or crack when loaded, and the lip under the lid overhang helps against light water ingress. Rated temperature behaviour is not a selling point here, because the box is not sealed — the near-universal advice from buyers is to add your own weatherstripping if you care about keeping moisture off cardboard and batteries.
Why it works for a full size bed
Six point three cubic feet is enough for a weekend of hand tools without pushing the box past the wheel wells on most half-ton beds, and 28 pounds is light enough that you are not meaningfully eating into payload. Because it mounts inside the bed rather than straddling the rails, it works on short beds, long beds, flareside beds and dually beds alike, which is not something we can say about any crossover or swing case in this list.
The lock-ready zinc hasp accepts any standard padlock, so you pick your own level of security rather than accepting a proprietary key blank. It is also shatterproof and impact resistant, so a dropped tailgate or a wandering mower is not a disaster. The 500 pound rating is about the lid and the shell, not about what you should actually load in it.
Where it falls short
There is no factory seal and no gas strut. That means two small purchases and ten minutes of work to get a lid that stays up and contents that stay dry, and if you skip both you will be fighting the lid every time you open it. The stiff metal tabs over the locking loop also get a lot of criticism, with owners reporting they need a flat screwdriver to lift them.
Security is deterrence, not protection. Anyone with a pry bar and a few minutes gets into a bolt-on plastic chest. For a truck parked on a residential street overnight, that is fine. For a truck carrying a full set of power tools on a job site, you probably want a steel or aluminium box with a compression latch and a real cylinder.
2. DECKED Truck Bed Storage System XF5 — Best Full Bed Organization
DECKED Truck Bed Storage System Includes System Accessories | Compatible with Ford F150 (2015-current) 6’6″
74 x 72 x 12 inch closed footprint
Six compartments
Made in the USA
Lifetime warranty
Pros
- Drawers give the most volume with the easiest access
- Flat deck above is rated to 2000 lb
- Weatherproof drawer seals and closeout panels
- Comes with D-co cases bins dividers and tie-downs
Cons
- Vehicle specific to this F-150 bed configuration
- Keyed lock is an optional add-on
- Drawers are not airtight
Nothing else on this list changes how you organise a bed the way a full-bed drawer system does. This DECKED unit closes down to 74 inches long by 72 inches wide by 12 inches tall, with six compartments, co-moulded in the United States from recycled HDPE over a galvanised steel sub-frame. The rated deck above the drawers handles up to 2,000 pounds of cargo.
That deck number matters more than it sounds. It means the system is not only storage — it is a flat surface you can still stack on, so the bed is not functionally half gone even with the system installed. Owners consistently point to the combination of full-bed-length drawers and a usable deck as the reason the format keeps winning over owners who expect a conventional box.
The package also arrives with the supporting system rather than an empty shell: D-co cases, a stash bin, dividers and D-ring tie-downs are included. Those dividers directly answer the most common complaint in the category, which is digging through one deep compartment for a single tool. F150EcoBoost.net owners are enthusiastic about the format, with one describing a DECKED system as the best full bed system they have ever had or seen.
Why it works for a full size bed
It is a full-bed solution in the literal sense, and the weatherproof drawer seals plus closeout panels keep out dust, mist and car wash water, which is a meaningful improvement over a chest you have sealed yourself. Drawer access means you retrieve one item without unpacking five, and the included tie-down points let you secure the loose gear that would otherwise migrate on a highway run.
The lifetime manufacturer warranty is the strongest in this set, and the made-in-USA recycled HDPE over galvanised steel construction is what backs it up. If you plan to keep the truck for years, that combination of warranty and material is the strongest long-term argument in this guide.
Where it falls short
Fitment is the catch. This variant is built for Ford F-150 models from 2015 onward with a 6 foot 6 inch bed, and nothing else. A Silverado, Ram or an F-150 with a different bed length needs a different SKU, and swapping trucks later means a new system rather than a relocated one.
Two more practical notes. The keyed lock is an optional add-on rather than standard, so budget for it if tools are going in there. And reviewers are honest that the drawers are not airtight — fine for tools, less fine for anything moisture-sensitive left in a drawer overnight. Owners moving between trucks mention the logistics too, with people describing relocating 55-inch and 84-inch boxes between vehicles, which is a very different job from swapping a plastic chest.
3. UWS 69 Inch Aluminum Crossbed Toolbox — Best Low Profile Crossbed
UWS EC10473 69-Inch Matte Black Heavy-Wall Aluminum Truck Tool Box with Low Profile, RigidCore Lid
8.4 cubic foot capacity
58 lb empty weight
69 inch box
0.058 inch welded aluminum tub
Pros
- RigidCore foam filled lid stays rigid and does not bind
- Low profile height improves rear window visibility
- One piece welded heavy wall aluminum tub
- Stainless paddle handles work from the sides
Cons
- Heaviest box here at 58 lb so plan a two person mount
- Lift off lid means full removal for total access
- Lockable but no lock included
The UWS EC10473 is the only true crossover in this group, and that means it straddles both bed rails rather than sitting inside the bed. You get 8.4 cubic feet of capacity in a 69-inch box, built from a one-piece tub welded from 0.058 inch aluminium, with a limited lifetime warranty behind it.
Its defining feature is the RigidCore lid, which is filled with solid foam to stop the classic aluminium lid flex that binds on a crossbed when the seals compress. That rigidity is the whole point, and reviewers single it out. It also keeps the profile low, which matters in a full size bed because you can see out of the rear window with the lid closed — a genuine safety point, not a cosmetic one.
Small organisation touches are unusually good for a crossbed. It ships with a tool tray and built-in screwdriver holders, so the small fasteners do not all end up in the bottom of a single deep well. The stainless steel paddle handles are wide-spread and reachable from both sides of the bed, and the tub is pre-drilled with mounting slots and hardware included.
Why it works for a full size bed
This is the pick if your bed has the width to accept a crossbed. A 69-inch box is long enough to cover most of an 8-foot bed’s usable length once the wheel wells are considered, and because it straddles rather than sits in the bed, the trade is width for length. On a wide full size bed that is a good trade; on a narrow one it is not a box you can install at all.
The material is the right call for jobsite use. Heavy-wall welded aluminium resists the corrosion that eventually kills unpainted steel and holds up to tool impacts better than thin-gauge boxes in this roundup, and the limited lifetime warranty is the category ceiling.
Where it falls short
Fifty-eight pounds empty is the heaviest box here. Mounting it is genuinely a two-person job unless you have a hoist or a very confident second pair of hands, and it is a real addition to the payload on a half-ton that is already carrying tools. Plan the lift before the purchase, not after.
The lift-off lid is all or nothing. To get at anything in the bottom of the tub you remove the entire lid, which is fine for a weekend and irritating at 6 a.m. on a callout. It is latch-locked rather than cylinder-locked and no lock is included, so add your own. And because it straddles the rails, check your rear window sightline and your bed wall height before committing.
4. RealTruck UnderCover SwingCase — Best Wheel Well Access
RealTruck UnderCover SwingCase Truck Bed Storage Box | SC203P | Fits 2015 – 2025 Ford F-150 Passenger Side (Includes Lightning)
34 x 34 x 16 inch box
16 lb empty weight
75 lb capacity
3 inch bed clearance
Pros
- Swings out nearly 180 degrees then locks back over the wheel well
- Keeps 3 inch clearance under virtually any tonneau cover
- Installs in minutes with six self tapping screws
- Most reviewed storage box in its category
Cons
- Vehicle specific to 2015 to 2025 F-150 passenger side
- Moulded plastic is lighter and less impact resistant
- 75 lb capacity is modest for heavy tools
This is the most heavily reviewed product in the entire set at 2,777 ratings, and that volume is itself a signal. A 4.4 star average across nearly three thousand buyers tells you more about long-term satisfaction than a 4.8 across a few hundred ever will.
The mechanism is what makes it work. The case sits inside the bed against the passenger-side wheel well, and a latch lets it swing out nearly 180 degrees from the tailgate for full access. Then it swings back and locks flush over the wheel well, so the storage is still there but the bed floor is free. That reclaim-the-bed-when-closed behaviour is why buyers keep coming back to it.
It measures 34 by 34 by 16 inches, weighs 16 pounds, holds up to 75 pounds, and keeps 3 inches of bed rail clearance — which is the single most useful spec on this page, because that clearance is what lets it work under soft, hard, folding and rolling covers. The lid is key lockable and includes an organisational tray and a moisture seal. It is made in the USA with US-based support and a one-year guarantee.
Why it works for a full size bed
It costs you almost nothing in bed space and nothing in payload, at 16 pounds empty and with the box tucked above the wheel well. For a full size bed that still has to carry a mower, appliances or building materials on weekends, that is the honest answer to the cargo-versus-storage trade-off that owners complain about constantly in threads.
Installation is the easiest here: six self-tapping screws, no special tools, and reviewers describe it as a minutes-long job. Tonneau compatibility means you are not choosing between the box and the cover, which removes the single most common install regret in this category.
Where it falls short
It fits one specific configuration: 2015 to 2025 Ford F-150, passenger side, including Lightning. Change side, change year range, or own a Silverado or Ram, and this unit is no longer an option, and resale value follows the truck. That is a real cost of the vehicle-specific approach the whole swing-case format depends on.
Moulded plastic is the other tradeoff. It is light, which is why the swing is so easy, but it is less impact resistant than an aluminium chest, and 75 pounds of capacity is not a lot of heavy tooling. Treat it as overflow, recovery gear, straps and consumables rather than the primary tool home.
5. ARKSEN 49 Inch Aluminum Truck Bed Toolbox — Best Value Sealed Chest
ARKSEN 49″ x 15″ x 15″ Truck Bed Tool Box, Heavy Duty Storage Chest, Black
180 liter storage volume
26 lb empty weight
48.4 x 15 x 15 inch
Keyed lock with two keys
Pros
- 180 liters of sealed aluminium storage at a mid tier price
- High strength diamond pattern aluminium resists corrosion
- Light enough to carry by the handles
- Keyed lock with two keys included
Cons
- Locking latch needs the key even just to close the lid
- Proprietary key blanks make spare keys harder to source
- No factory rubber seal so many owners add gasketting
The ARKSEN 49-inch chest is the box I would hand someone who wants a sealed aluminium chest and does not want to think about premium-tier pricing. It holds 180 liters of storage, is rated to 180 pounds, and weighs 26 pounds empty — a rare combination where the box is genuinely light enough to lift into place by the carry handles.
Construction is high-strength aluminium with a diamond pattern for compression resistance and a polished surface that resists rust and corrosion. It is listed as waterproof and dustproof, and reviewers report better-than-expected finish and coating for a box at this tier. The keyed lock ships with two keys, so it is secure out of the box rather than secure once you buy something else.
One practical detail worth knowing: the same family is available in 20, 30, 39 and 49 inch lengths and in black and silver, in a square 15-inch profile. That is useful if the 49-inch version is too deep for the gap between your wheel wells — go shorter rather than forcing it, because this is a chest that sits inside the bed.
Why it works for a full size bed
Fifteen inches of width is narrow enough to clear the wheel wells in most full size half-ton beds while still giving you a usable 180 liters, and 15 inches of height keeps the rear sightline workable. At 26 pounds it barely registers on payload. The lock-and-keys-in-the-box arrangement also removes the most common reason people skip a cheap chest.
It is the pick for anyone who wants sealed storage without the crossbed complication — no rail straddle, no sightline conflict, no tonneau negotiation. Mount it to the bed floor or to a rack, and it behaves predictably.
Where it falls short
The latch is the dominant complaint in the reviews, and it is a specific one: the locking latch requires the key even just to close the lid. If you open and close the box all day, that is a daily irritation rather than a one-off. Key blanks are also proprietary, which makes duplicating a lost key harder than on a standard cylinder.
There is no factory rubber seal on the overlapping lid, and a good number of owners add their own gasket. If buying a roll of weatherstripping and doing the job properly matters less than keeping the cost down, this is a fair compromise. If you store anything moisture-sensitive, budget for the gasket.
6. confote 48 Inch Aluminum Toolbox — Best Maximum Volume
confote 48 Inch Heavy Duty Aluminum Stripes Plated Tool Box Pick Up Truck Bed RV Trailer Toolbox Square Storage Organizer with Side Handle, Lock and Keys, Waterproof -48″x 19.5″x 17.5″，Black
9.47 cubic feet of interior
41.1 lb empty weight
48 x 19.5 x 17.5 inch
Two lockable latches
Pros
- Largest interior volume in the group for its footprint
- Two front lockable latches plus side carry handles
- Interior lift arms hold the drop-down door open
- Stripe tread aluminium resists rust and corrosion
Cons
- Aluminium walls are thinner than heavy gauge boxes and dent
- Some units arrive with mismatched keys or a missing rod
- Reports of the lid springing up in transit
If volume is the only thing that matters, this is the box. The confote 48-inch carries 9.47 cubic feet of interior in a footprint smaller than most 8-foot crossovers, because it is a drop-down door chest rather than a straddling crossbed. That combination of volume and narrow profile is unusual.
Access is genuinely good for a chest. The door drops down and the interior lift arms hold it open, so you get both hands free and a clear view of everything inside rather than a dark well. Two front lockable latches with keys and side carry handles make it manageable to load despite the 41.1 pound empty weight.
The stripe tread pattern reinforces the aluminium for strength and longevity, and a rubber weather-guard seal keeps moisture out. Buyers also report it works well bolted to a travel-trailer tongue, and the manufacturer lists it for hitch racks, camper cargo racks, trailer tongues and RV rear mounting, so it is not bed-only hardware.
Why it works for a full size bed
Nineteen and a half inches of width is still narrow enough to sit between wheel wells in most full size beds, so you get 9.47 cubic feet of sealed, lockable storage without straddling the rails. That makes it the volume answer for a contractor who needs to bring every tool to every job and would rather not make two trips to the truck.
Two latches instead of one also resists the prying attempts that defeat single-latch chests, and the lift arms mean you are not holding the door with your knee while you load it.
Where it falls short
Forty-one pounds empty is heavy for a chest, and the aluminium walls are thinner than the heavy-gauge boxes elsewhere in this roundup — reviewers describe the panels denting rather than flexing when hit. A dent is cosmetic, but it can also mean a seal that no longer compresses evenly.
Quality control at delivery is the other recurring theme. Some units arrive with mismatched keys or a missing latch connecting rod, which means either a locksmith or a hardware-store fix, and there are reports of the lid springing up in transit if the latch tension is not checked. Inspect it on arrival rather than after the first job.
7. Buyers Products Steel Underbody Box — Best Steel Durability
Buyers Products 1703300 Black Steel Underbody Truck Tool Box, 14x16x24 Inch
14 gauge powder coated steel
24 liter capacity
28 lb empty weight
24 x 16 x 14 inch
Pros
- Powder coated steel handles harsh weather and job sites
- Stainless compression latch with recessed drop door
- Continuous hidden hinge and replaceable gasket system
- Works underbody or on a flat trailer surface
Cons
- Mounting brackets sold separately
- 24 liter interior is small for long handled tools
- Heaviest material here at 28 lb
Steel is the answer for anyone whose truck lives outdoors in salt, mud or construction dust, and this 14 gauge black steel box with a corrosion-resistant powder coat is the strongest example in the group. It measures 24 by 16 by 14 inches, weighs 28 pounds, and holds 24 liters.
The hardware is what separates it from the aluminium underbody boxes here. You get a stainless steel compression latch rather than a rotating paddle, and a recessed drop door, which is a meaningful theft improvement because there is no external handle to grab. The continuous hidden hinge, replaceable gasket system and aircraft-grade cables are the parts that make a cheap steel box seal properly.
It is made in the USA and offered in more than 25 size configurations, so if 24 liters is wrong, the same design exists larger without changing brands or mounting style. It can sit under the truck, or on a flat trailer bed or a service-truck service body, which makes it a genuinely reusable piece of kit.
Why it works for a full size bed
Underbody mounting means the bed stays completely free for hauling, so this solves the cargo-versus-storage problem outright rather than trading against it. For a half-ton that carries materials during the week and needs secure tool storage at night, that is the cleanest answer in this guide.
Twenty-four liters fits a service kit — fluids, filters, a meter, a small parts run — without taking a payload hit that matters. The powder coat and the hidden hinge are the two things that keep it working after a couple of winters, and reviewers consistently credit both for keeping gear dry and secure.
Where it falls short
Mounting brackets are sold separately, so the box arrives without the hardware that attaches it to your frame. Factor that into the plan before you assume the purchase is complete. Underbody mounting also means checking frame clearance and, on a lowered truck, ground clearance, before you start drilling.
Twenty-four liters is compact. Long-handled tools, pipe stock and anything that needs to lay flat will not go in here, so treat it as a service box rather than a main tool chest. And at 28 pounds of steel, it is the heaviest material in this roundup, which is the trade for durability.
8. ARKSEN 18 Inch Aluminum Underbody Box — Best Lightweight Underbody
ARKSEN 18″ x 17″ x 18″ Underbody Tool Box, Heavy Duty Storage Chest,Silver
90 liter capacity
13.2 lb empty weight
18 x 17 x 18 inch
Keyed latch with two keys
Pros
- Lightest aluminium underbody option here at 13.2 lb
- 90 liters in a compact square footprint
- Rotating dual position latch with two keys
- Drop-down door for full access
Cons
- Aluminium dents rather than flexes and it is not a safe
- 18 inch width suits small hand tools only
- Underbody mounting hardware is a separate purchase
Weight is the metric that matters most for an underbody box, and at 13.2 pounds empty this ARKSEN is one of the lightest aluminium options available while still being rigid enough to be worth mounting. The square 18 by 17 by 18 inch body holds 90 liters, which is a lot out of a small footprint.
The body is diamond pattern aluminium for strength and longevity, and it is listed as waterproof and dustproof. Access is via a drop-down door that swings right open, so you can see and reach everything rather than fishing through an opening. A rotating dual-position latch keeps it shut, and two keys are included.
Why it works for a full size bed
Underbody means the bed stays completely open, so a full size bed stays a full size bed for hauling. Thirteen pounds of aluminium is a payload saving you would otherwise spend on the box itself, and the compact square shape clears the frame rails on more trucks than a long rectangular chest will.
Ninety liters is a serious amount of storage for something this light, and it is a sensible pairing for a service truck that carries recovery gear, a jack, straps and a first aid kit without putting any of it loose in the bed.
Where it falls short
Eighteen inches of width is the real limit. It suits small hand tools, accessories, gloves and fluids, but not pipe, timber extensions or a long-handled wrench laid flat. If your kit is long, choose the 24, 30 or 36 inch version in the same family instead.
Aluminium will dent rather than flex if you strike it, and a dented lid is a lid that no longer seals — so park defensively underbody. The latch is also noted by some owners as awkward for frequent daily use, and mounting hardware for underbody installation is a separate consideration. Check your frame clearance before ordering.
9. VEVOR 24 Inch Aluminum Underbody Box — Best Budget Underbody
VEVOR Underbody Truck Box, 24″ x 14″ x 16″ Pickup Storage Box, Heavy Duty Aluminum Diamond Plate Tool Box with Lock and Keys, Waterproof Trailer Storage Box with T-Handle Latch for Truck, Van, Trailer
24 x 14 x 16 inch aluminum box
13.2 lb empty weight
Recessed T-handle latch
Rubber sealing strip
Pros
- Lowest cost in the group while still lockable aluminium
- Recessed T-handle latch will not catch on obstacles
- Thickened panels with tread pattern for road durability
- Two keys included with the lock
Cons
- Mounting brackets sold separately
- Aluminium dents and it is not a security safe
- Measure underbody clearance first because it is tightly sized
The VEVOR TB17-6B is the cheapest lockable aluminium box in this roundup, and it ranks at number three in the truck bed toolboxes category, which says a lot about how many people have bought one. Reviewers consistently compare it favourably with metal boxes at multiples of its cost.
It measures roughly 24 by 14 by 16 inches and weighs 13.2 pounds, same as the ARKSEN underbody, so payload is a non-issue. The latch is recessed and embedded, which is a genuinely smart detail for an underbody box because a protruding handle is exactly what snags on a branch, a rock or a driveway lip. A rubber sealing strip runs around the lid to keep water out.
Why it works for a full size bed
It is the cheapest way to add real lockable storage to a full size bed without touching the bed floor. Underbody mounting leaves the entire bed free, and at 13.2 pounds you are not meaningfully reducing what you can haul. It also mounts on a camper, a pickup rack, in a van or on a trailer, so the same box works if you change how the truck is set up.
Thickened aluminium panels with a tread pattern are the reason it survives road debris, and the water-resistant seal is the reason the contents stay dry in a wet climate.
Where it falls short
Mounting brackets are sold separately, so the box arrives without the hardware. That is the most common complaint in the reviews, and it means the purchase is not finished until you have brackets and a plan for the frame.
It is sized tightly, so measure your underbody clearance before ordering — several reviewers flag this as the reason installation did not go smoothly. The aluminium dents rather than flexes and it is not a security safe, so treat the lock as a deterrent against opportunistic theft rather than a thief with equipment.
10. BIGREAT 60 Inch Aluminum Chest — Best for Long Tools
BIGREAT 60”Inch Aluminum Truck Tool Box Trailer Chest Box(60″Lx12″Wx14″H)
60 x 12 x 14 inch aluminum chest
33.7 lb empty weight
Rated to 100 lb
5-bar tread pattern
Pros
- One of the longest boxes here for long tools and boards
- Lightweight aluminium keeps the weight gain low
- 5-bar tread pattern and corrosion resistant build
- No assembly required
Cons
- Listed for standard cab or regular cab only
- 12 inch width is narrow for anything laid flat
- Thinnest review history in the group
Sixty inches of length is the reason to look at this one. When your kit includes pipe, conduit, level bars, trim pieces or lumber, a 48-inch chest forces you to angle everything and a 60-inch one usually does not. It measures 60.8 by 12.4 by 14.6 inches and weighs 33.7 pounds empty, rated to 100 pounds.
The build is powder-coated black aluminium with a 5-bar tread pattern, which is the standard pattern for structural reinforcement on this kind of box. A seal ring design and an overlapping lid handle weather resistance, and the box needs no assembly at all — you bolt it down and you are done.
One useful flexibility: it does not come with a lock, so you can fit whatever cylinder or padlock you already own. The manufacturer lists it for hitch racks, camper cargo racks, trailer tongues and RV rear mounting, so it works as a rack box as readily as a bed box.
Why it works for a full size bed
Twelve inches of width is narrow enough to slide into the space between the wheel wells or up against a bed wall in almost any full size bed, which means 60 inches of length costs you very little usable width. Fourteen inches of height stays out of your rear sightline, and 33.7 pounds is manageable for two people.
It is also the easiest to relocate. Owners moving between trucks describe wrestling with much larger boxes, and a 60-inch chest with no assembly requirement and no proprietary lock is about as portable as this category gets.
Where it falls short
The listing states standard cab or regular cab only, so it will not fit crew cab applications as specified. That is an unusual restriction for a bed box and worth confirming against your own bed before you commit.
Twelve inches of width is the other limit. You can run long items end to end, but nothing lays flat across the box, and a toolbox, a miter saw or a case of fittings will not go in there. And with 170 ratings, this has the thinnest long-term feedback record in the group — which is a reason to check the warranty terms rather than assume them.
11. FGJQEFG 34.5 Inch Low Profile Aluminum Box — Best Low Profile Fit
FGJQEFG 34.5” Inch Aluminum Truck Bed Tool Box Black(34.5″X13″X6.5″)
34.5 x 13 x 6.5 inch profile
Lightweight build
Lock and two keys included
Overlapping sealed lid
Pros
- Only 6.5 inches tall so it slides under a tonneau cover
- Light enough to lift into place one handed
- Overlapping lid and seal ring keep rain and dust out
- Lock with two keys included as standard
Cons
- At 6.5 inches deep it only suits hand tools and gloves
- Lock is a basic utility style rather than automotive grade
- No meaningful US support presence
Height is the feature here. At 6.5 inches tall, this box does the thing almost no other bed box in this roundup does — it fits under a tonneau cover without stealing usable bed space, and it never enters your rear sightline. If you run a cover year round, that is worth more than another two cubic feet of volume.
It measures 34.5 by 13 by 6.5 inches in powder-coated black aluminium with a 5-bar tread pattern, using high-density corrosion-resistant aluminium. An overlapping lid and a seal ring design protect the interior from rainwater and dust, and the lock ships with two keys.
It is also light enough to lift into position one-handed, which matters more than it sounds when you are fitting a box at the back of a truck in bad light. The manufacturer lists it for hitch racks, camper cargo racks, trailer tongues and RV rear mounting as well as bed use.
Why it works for a full size bed
Thirteen inches wide and 34.5 inches long is an easy footprint for the space behind or beside a wheel well in most full size beds, and because it is so low you can run a cover over it, run a rack above it, or stack nothing at all. That versatility is the entire argument for a low-profile chest.
It is the natural companion to a bed liner, since a shallow box can sit on top of a liner without creating a seam for grit to collect. If you spend your weekends hauling rather than working, the trade of 6.5 inches of height for 34.5 inches of unobtrusive storage is a good one.
Where it falls short
Six and a half inches of internal depth is the honest limit — hand tools, gloves, tape, small accessories, tow straps. Anything with a vertical profile, including most power tool cases, will not go in. If you need to store wrenches upright, buy a deeper box.
The lock is a basic utility style rather than a weatherproof automotive cylinder, so it deters without discouraging. And buyers should be realistic about support: this brand has no meaningful US presence compared with name-plate alternatives, which matters if a hinge or latch fails and you want a replacement part.
12. VEVOR 25 L ABS Wheel Well Tool Box — Best Budget Wheel Well Storage
VEVOR Truck Bed Storage Box, Lockable with Password Padlock, 6.6 Gal/25 L ABS Wheel Well Tool Box, Waterproof and Durable, Compatible with Ford F-150 2015-2021, Drivers Side (Left)
25 liter two compartment ABS box
11.2 lb empty weight
3 inch rail clearance
Rated -68F to 158F
Pros
- Fractions of the cost of a premium wheel well box
- Swings out 180 degrees and folds flat when not in use
- ABS is light and rated across extreme temperatures
- Combination padlock plus lockable box gives two layers
Cons
- Installation instructions incomplete so expect drilling rework
- Hinge bracket may not fit newer model years
- Basic combination padlock is included
This is the cheapest route to wheel-well storage in the set, and the specification sheet is more interesting than the tier usually suggests. It holds 25 liters — 6.6 gallons — across two compartments, rated to 75 pounds, at just 11.2 pounds empty. The ABS and carbon steel body is rated from minus 68 to plus 158 degrees, so it is not going to crack in a northern winter or warp in a southern summer.
It pivots 180 degrees from the latch for access and folds flat when not in use, and it maintains 3 inches of bed rail clearance so it works with almost all tonneau covers. The box is lockable and it comes with a combination padlock as well, which is two layers of security for a budget item and more than most rivals at twice the cost offer.
Reviewers report it fitting F-150, Silverado and Tundra applications, and this listing is for the Ford F-150 2015 to 2021 driver side, with equivalents made for other trucks. Buyers generally like the amount of room for tow ropes, straps and small tools, and the plastic is easy to rinse clean after a dirty day.
Why it works for a full size bed
It takes essentially no bed space, adds 11.2 pounds, and works under a cover — the combination that makes it the closest thing to a free upgrade in this whole roundup. Two compartments is also better than one for the things owners actually put in a wheel well box: recovery gear in one, consumables in the other.
The temperature rating is the underrated spec. Composite that stays rigid at minus 68 degrees is not something you can assume from a cheap moulded box, and it matters if your truck lives outside through a real winter.
Where it falls short
This has the lowest average rating in the set at 4.1 stars across 232 ratings, and the complaints are specific. Installation instructions are incomplete for some models, so expect drilling rework, and the supplied hinge bracket centre mount may not fit newer model years.
The included combination padlock is basic and some owners upgrade it, and there is no moulded carry handle in the plastic, so you lift it in place rather than carry it. It also carries the most one-star reviews proportionally, so inspect it on arrival. If the budget is genuinely the deciding factor, this is still the cheapest way to get lockable wheel-well storage — just check the bracket fits your model year first.
How to Measure Your Truck Bed Before You Buy a Box
Four numbers decide whether a box fits, and every one of them is something you can get with a tape measure in five minutes. Take them before you fall in love with a listing, because “fits most full size trucks” means nothing on its own.
One: wheel well to wheel well. This is the number that matters most, and it is how owners describe fit in forum threads. Measure the flat floor between the two wheel housings at the narrowest point, not the advertised bed width. A crossbed that fits a wide F-150 will not install between the wheel wells of a narrower truck even though the overall dimensions look right.
Two: wheel well to bulkhead. This is the usable depth for an inside-bed box. Measure from the front bed wall to the wheel well housing. This is the number that decides whether the 60-inch chest works for you or whether a 49-inch or 34.5-inch box is the honest maximum.
Three: bed wall height and the resulting sightline. Measure the bed rail height, then compare it to the box height. Anything substantially above the rail eats into what you can see through the rear window. A tall box is a real safety issue, not a preference, and the low-profile options here are 6.5 to 17 inches tall for a reason.
Four: the gap the box is allowed to occupy. A crossover straddles the rails and must clear the outside bed width. A chest, swing case or underbody box lives inside that width. If you are between two trucks, measure both and pick the box that fits the smaller one.
Two warnings. Flareside, stepside and composite beds change the rail and wall geometry completely, and a box that fits a standard flare-side bed may not fit a step-side at all — check the bed type before you trust any fitment claim. And if you carry a tonneau, measure the clearance between the cover underside and the bed floor, then compare it to the box height including any rack you plan to run.
On bed length, the practical rules are simple. A 6.5-foot short bed rarely accepts anything longer than about 49 inches between the wheel wells. An 8-foot bed comfortably takes a 60-inch chest or a 69-inch crossbed, and an 8.5-foot or dually bed has room to spare. Above 6 feet of length, capacity is limited by width and height, not by length.
Tonneau Cover Compatibility Rules for Truck Toolboxes
Almost every full size bed owner we looked at runs a cover at some point, and cover interference is the most common install regret in this category. The rule is simple: the box plus its rack must leave enough clearance under the closed cover for the cover to latch and seal, without drilling the cover or its rails.
Follow the published clearance figure. Two boxes in this roundup state a 3-inch bed rail clearance explicitly, and both are described as working with soft, hard, folding and rolling covers. That is a documented, tested fit rather than a hopeful one, and it is the single most useful spec to look for when a cover matters to you.
Low profile is the safe default. A 6.5-inch chest and most swing cases clear a cover without conversation. Anything that straddles the rails and stands tall above them is where cover problems start, particularly with roller and hard-folding covers that need clearance across the full width.
Full bed systems are a special case. A drawer system occupies the bed floor and leaves a deck across the top. That deck sets your effective clearance, and it means the cover sits higher than it would on a bare bed. Confirm the height of the closed system against your cover’s closed height before committing, and never drill a cover to make something fit — that voids the cover warranty, and owners report it as the moment they regretted the install.
Underbody boxes are always compatible. A box bolted to the frame never touches the cover, which is a quietly underrated reason to go underbody if you run a cover and need secure storage at the same time.
Measure with the tailgate closed. The most common failure is not the box hitting the cover at all; it is the cover not latching once the box is in place, or the front rail fouling a rack upright. Check the latch mechanism, not just the height.
How We Picked and What to Look For
We scored every box on five criteria, and we weighted them in this order: fitment clarity, then weather sealing and security, then weight penalty, then storage efficiency, then durability and build gauge. Fitment came first because a box that does not install is worthless, and every competitor’s version of this roundup treats it as a one-word afterthought.
Fitment clarity. Does the listing tell you which trucks and bed lengths it fits, and does that include yours? A vehicle-specific swing case that says so plainly is more trustworthy than a generic box that says “most full size trucks.” Where we could not confirm the bed type, we said so.
Material. Aluminium resists corrosion and stays light, and it dents rather than flexes, so a heavy-gauge tub holds up better than a thin one — the confote is the cautionary example here. Steel handles abuse and cold better than anything else and is the heaviest material you can bolt to a truck. Polyethylene will not rust, will not crack, is easy to drill and bolt, and is the only material here rated to 500 pounds — but it is not weather sealed unless you make it so.
Weight and payload. This is the input almost nobody covers. A UWS crossover adds 58 pounds, a confote chest 41 pounds, an ARKSEN chest 26 pounds, and an underbody box as little as 13 pounds. On a half-ton already carrying tools and a bed liner, that spread is the difference between a truck that feels the same and one that feels loaded. Add the payload hit to your total, including passengers, before you order — the number is on the driver’s door jamb.
Security. Compression latches and recessed drop doors beat paddle latches and lift-off lids, and a keyed cylinder beats a hasp. But remember what every box here shares: a bolt-on bed box deters opportunistic theft, and none of them is a safe. If tools are genuinely valuable, the answer is the same as it has always been — do not leave them in the truck overnight.
Install method. Bed rail boxes are usually pre-drilled with hardware included, so they are a weekend job. Underbody boxes need brackets, and brackets are sold separately on two of the three underbody options here. Full bed systems are a much larger job, and owners who have relocated them between trucks describe it as the hardest part of owning one. If you intend to move the box to another truck, buy something with a bolt pattern that repeats across models.
Two patterns from the forums worth repeating. Owners overwhelmingly describe fit as wheel well to wheel well, and they overwhelmingly care about the cargo trade-off — the r/AskMechanics and r/ToyotaTacoma threads are full of people asking for bed storage that does not take the whole bed. And when the budget question comes up, owners want an honest verdict rather than a redirect, which is why the VEVOR underbody and wheel-well boxes earn their place here despite being the cheapest options in the group.
What we would skip: any box whose listing does not state a fitment, any value-tier box that arrives with a latch but no sealing story, and any claim that a cheap moulded plastic chest is theft protection. A dedicated liner under the box is worth adding for any install, and you can compare the options in our heavy hauling bed liner guide.
Frequently Asked Questions
What is the best tool box for a full-size truck?
For most full size bed owners the Buyers Products 6.3 cubic foot poly chest is the best all-round answer, because it bolts inside the bed, weighs 28 pounds and works on short beds, long beds and stepside bodies alike. A DECKED full-bed drawer system is the better choice if you want maximum organised storage and can confirm your exact truck and bed length match. The number that decides everything is the width between your wheel wells.
What truck tool boxes are compatible with tonneau covers?
Look for a published bed rail clearance figure and you are in good shape. The RealTruck UnderCover SwingCase and the VEVOR wheel-well box are both documented at 3 inches of clearance and work with soft, hard, folding and rolling covers. Low profile chests under about 7 inches tall also clear covers easily, and underbody boxes never interfere at all. Full bed drawer systems need you to check the closed deck height against your cover.
What is the best tool organizer for a truck bed?
It depends on which problem you are solving. A full bed drawer system wins on organisation because you retrieve one item without unpacking five, and it comes with dividers, D-co cases and tie-down points. A chest box wins on raw volume per dollar. A wheel-well swing case wins if you want storage that disappears when closed, because it pivots out for access and then locks flush to free the bed.
What is the standard size of a tool box for a full-size truck?
There is no single standard size, because the constraint is width rather than length. Most full size half-ton beds accept an inside-bed box up to roughly 14 to 20 inches wide depending on how far past the wheel wells you are willing to go. A 6.5-foot short bed rarely takes anything longer than about 49 inches between the wheel wells, while an 8-foot bed comfortably fits a 60-inch chest or a 69-inch crossbed.
Are UWS truck tool boxes good?
UWS boxes are among the best-built in this category, and the EC10473 in particular earns its rating with a one-piece tub welded from 0.058 inch aluminium and a foam-filled RigidCore lid that resists the binding common to crossbed lids. It comes with a limited lifetime warranty. The trade is weight, because at 58 pounds it is the heaviest box in our roundup, plus a lift-off lid and no included lock.
Should I buy an aluminium, steel or plastic truck bed toolbox?
Aluminium is the best balance: it resists corrosion, stays light, and heavy-gauge welded tubs like the UWS hold up to tool impacts. Steel is the toughest and handles salt, mud and cold best, but it is the heaviest material you can bolt to a truck. Polyethylene will not rust or crack, drills and bolts easily, and is the only material rated to 500 pounds, but it needs weatherstripping and lid struts added for real weather protection.
Best Truck Toolbox for Full Size Beds: Final Verdict
Start with the Buyers Products 6.3 cubic foot poly chest. It is the best truck toolbox for full size beds because it adapts to almost any mounting situation, weighs 28 pounds, carries a 4.5 star average across more than a thousand reviews, and costs you far less in bed space than the volume suggests.
If you want sealed aluminium storage at a mid tier, the ARKSEN 49-inch is the value pick. If you need a real crossover with a low profile lid, the UWS EC10473 is the one to buy, provided you can lift 58 pounds. For a full bed system, the DECKED XF5 is unmatched on organisation, but only if your truck and bed length match. And if you would rather not give up any bed space at all, the RealTruck swing case or a VEVOR wheel-well box is the honest answer.
Before any of them, spend five minutes with a tape measure and write down your wheel well to wheel well width, your wheel well to bulkhead depth and your bed rail height. That single habit eliminates almost every regret we saw owners report, and it is the difference between a box that fits your truck and a box that only fits the listing.