This Buyers Products Topsider truck tool box mounts on your bed rails and opens with dual gas-shock flip-up doors, so the lid stays up while you work. Suited to pick-up trucks, flatbed trucks and utility bodies. Lightweight, corrosion-resistant 0.100 in. thick diamond tread aluminum construction. Gas shocks let the dual flip-up doors open smoothly and stay open on their own. Automotive bulb seal and a built-in rain gutter keep moisture and grime off your equipment. Locking die-cast compression latches pull the doors tight and help deter theft. Mounting hardware included, with a no-drill option using J-hooks and protective side-rail pads. Made in the USA. Specifications Overall size: 18 in. H x 16 in. D x 96 in. W Material: aluminum, 0.100 in. thick Finish: diamond tread, box and doors Doors: 2 flip-up doors, die-cast compression latch Hinge: aluminum continuous hinge Gasket: automotive bulb seal Rain gutter: yes