Buyers Products Diamond Tread Aluminum Topsider Truck Box with Flip-Up Door gives you a convenient and secure way to store your tools. The box mounts on your truck bed rails, keeping your tools easy to access and saving valuable storage space in the bed itself. Dual flip-up doors feature a recessed design with a reinforcing backbone and 13 in. tall openings. Gas shocks ensure the doors open smoothly and stay open on their own. An integrated above-door rain gutter helps keep your tools dry even when the door is open. The box and doors are made of .100 in. thick diamond tread aluminum that's lightweight and extremely resistant to damage and corrosion. A continuous hidden hinge and 1/2 in. automotive d-bulb door seal keep your tools protected from weather and grime. Locking die-cast T-handle compression latches create a tight seal and help deter theft.