Buyers Products Diamond Tread Aluminum Straight Side Tunnel Truck Box provides convenient and spacious storage behind the cab. It features a rugged diamond tread aluminum body with a locking diecast compression latch. The truck box is built for long life with tough 1/4 in. pin, stainless steel continuous hinges. The box is ideal for use on use on flatbeds, stake bodies, dump bodies, and utility bodies. Mounts against the headache rack on flatbed trucks. Rubber D-bulb sealed doors, and a built-in rain channel helps protect your tools and equipment from weather and theft.