Buyers Products Black Steel Backpack Truck Box with Offset Floor features a rugged 14 Ga steel body and 12 Ga doors with built-in frame mounting rails that save time on installation. The box adds convenient and spacious storage behind the cab, ideal for flatbeds, stake bodies, dump bodies, and utility bodies. This backpack truck tool box is built for the long haul with a corrosion-resistant black powder-coated finish. It features a 1/4 in. stainless steel continuous hinges, a rain channel, and watertight automotive bulb seal to keep your tools secure and protected from weather and grime. Reinforced, locking stainless steel latches provide a tight seal and help deter theft.