Product Description
Shelf Storage: Adjustable Steel Dividers Keep Small Parts Sorted and Secure. Made in the USA by AMERICAN TRUCKBOXES ATB®️
This steel shelf toolbox is built for contractors and tradespeople who need organized, secure storage above their existing truck toolbox. Adjustable compartment dividers let you configure the shelf to fit fasteners, small tools, and hardware so nothing rolls around loose in transit. Manufactured by American Truckboxes LLC in Blanchard, North Dakota. Custom sizing is available for fleet orders and non-standard box widths.
Key Features
- Stays organized on the road: adjustable compartment dividers slide to the width you need and lock small parts, fasteners, and hand tools in place
- Fits your existing toolbox footprint: sized to drop into standard depth toolboxes without modification
- Holds up to job site abuse: heavy-duty steel construction resists denting and flexing under a full load
- Finished to last: powder-coated white finish resists chipping, rust, and fading from UV exposure
- Configurable by job: divider count scales with shelf width, from 6 dividers on the smallest size up to 12 on the largest
- Simple to install: mounts directly inside a compatible toolbox using existing hardware points
- Built for daily use: steel gauge and welds are rated for repeated loading and unloading on active work trucks
- Available in multiple widths: seven sizes covering 31 inches to 54 inches wide so you can match the shelf to your box
Specifications
Material: Steel
Dimensions: 31″ to 54″ wide, 8″ to 12″ deep
Finish: Powder Coated White
Mounting: Interior toolbox shelf mount
Warranty: 60-month limited warranty (standard), 12-month limited warranty (custom/modified)
American Truckboxes has manufactured heavy-duty steel truck storage in the USA for over 25 years. Visit truckbox.com or call (888) 996-0376 for custom sizing, fleet pricing, or help choosing the right shelf for your box.
Frequently Asked Questions
Q: Where is this steel shelf kit made?
A: This shelf kit is made in the USA by American Truckboxes LLC in Blanchard, North Dakota. ATB®️ has manufactured heavy-duty steel truck storage for over 25 years. Visit truckbox.com to see the full lineup.
Q: What warranty comes with this shelf kit?
A: Standard shelf kits carry a 60-month (5-year) limited warranty. Custom or modified units carry a 12-month limited warranty. The warranty applies to the original purchaser only and is non-transferable. Contact truckbox.com or (888) 996-0376 for full warranty details.
Q: Can I order a custom size?
A: Yes, custom sizes are available on request. Custom and modified shelf kits carry a 12-month warranty instead of the standard 60-month term. Reach out through truckbox.com or (888) 996-0376 to discuss your dimensions.
Q: How many dividers come with each size?
A: Divider count scales with the shelf width. The 31 inch wide shelf ships with 6 adjustable dividers, mid-width shelves ship with 8 or 9 dividers, and the widest 54 inch shelf ships with 12 dividers so larger shelves get proportionally more compartments.
Q: Will this shelf fit inside my existing toolbox?
A: This shelf kit is sized to fit standard toolbox depths in the 8 inch and 12 inch range. Check your toolbox interior depth against the size chart above before ordering, and call (888) 996-0376 if you are unsure which size matches your box.
Q: Can I adjust the dividers after installation?
A: Yes, the compartment dividers are adjustable so you can reconfigure the shelf layout as your storage needs change, whether you are organizing fasteners, hand tools, or small parts.
Q: What finish does this shelf kit come in?
A: This shelf kit ships with a powder-coated white finish that resists chipping, rust, and UV fading. The coating is applied at the American Truckboxes facility as part of standard manufacturing.

