The Buyers Products Topsider truck tool box mounts on your truck bed rails, keeping tools within easy reach and leaving the bed free for cargo. Built for pick-up trucks, flatbed trucks and service utility bodies that need secure, weather-tight storage. Lightweight, corrosion-resistant 0.100 in. thick aluminum with a gloss black powder-coated finish. Dual recessed drop doors ride on a continuous hidden aluminum hinge. Locking die-cast compression latches and a D-bulb seal shut out weather and help deter theft. Aircraft-grade cables keep the doors from slamming and damaging the hinge. 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: black powder-coat diamond tread, box and doors Doors: 2 drop doors, 2 die-cast compression latches, lock included Door opening: 15.30 in. H x 44.65 in. W Hinge: aluminum continuous hinge Gasket: D-bulb seal