Buyers Products Primed 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 and is ideal for flatbeds, stake bodies, dump bodies, and utility bodies. The box features a powder coated primed finish, ready to be painted, that you can customize to match your vehicle. It’s built for long life with stainless steel continuous hinges, a rain channel, and a watertight gasket system. Reinforced locking, stainless steel latches help keep your tools protected from theft. Mounting hardware is sold separately. See –Accessories– listed below.