Product Description
Aluminum Step Frame Box - Drop-Open Door - SS-DT-T-Handle & Strut Grip Steps
The SF - Step Frame Boxes aluminum truck toolbox is built for those who need reliable access and organized storage under the truck body. The drop-open door with strut grip steps, makes it easy to access tools without extra steps and within safe reach while preserving bed space.
Made in the USA and manufactured by American Truckboxes LLC in Blanchard, North Dakota, with over 25 years of experience. For custom sizing, fleet pricing or additional questions, please call 888-996-0376, or visit us at toolbox.com.
Key Features
- Material: Aluminum
- Lid style: Drop-Open Door
- Secure Closure: SS-DT-T-Handle Lock Included
- Finish: Smooth Aluminum, Diamond Tread Plate, Stainless Mirror
- Height Options (in.): 15H, 21H, 27H
- Width Options (in.): 24W, 30W, 34W
- Standard Depth: 30D
- Mounting: Mounting Kit Not Included - Purchase M3050C Required
Specifications
| Material | Aluminum |
| Dimensions (in.) | Heights: 15H, 21H, 27H; Depth: 30D; Widths: 24W, 30W, 34W |
| Door Finish Options | Smooth Aluminum; Diamond Tread Plate, Stainless Mirror |
| Warranty | 60-month, Limited |
Frequently Asked Questions
Where is this Step Frame Box made? Made in the USA in Blanchard, North Dakota by American Truckboxes LLC, with over 25 years of manufacturing experience.
What warranty comes with this toolbox? 60-month (5-year) limited warranty for standard boxes. Applies to the original purchaser only and is non-transferable. For full details, visit us at truckbox.com or call 888.996.0376.
Can I order a custom size? Yes, custom sizes are available. Please call 888.996.0376.
Does this box come with a lock? The A-SF51 Series includes a Stainless-steel (SS) Dolphin Tail (DT) T-Handle lock as standard for key-secured access. The drop-open door design pairs with the lock and strut-pressed grip steps for secure, easy access. The SS-DT-T-Handle provides superior break-in resistance and theft deterrence.
What finish and door options are available? The body finish is smooth aluminum. Door and lid finish options include smooth aluminum, diamond tread plate, and stainless mirror to match different truck styles and durability needs.
Is the Step Frame Box weather resistant? Yes. This box is built with a water-tight construction to prevent moisture from entering in any environment. The sealed door and heavy-gauge aluminum body are designed for year-round outdoor exposure.
Need help choosing?
Tell us the truck. We will match the box, or build one.
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Shipping to Alaska, Hawaii or Canada is quoted by phone.



