Heavy-duty pull out truck bed storage keeps bed space open and supplies organized. The Model 337-3 steel Pack Rat Standard Drawer Unit for truck bed storage and cargo van storage has 3 compartments with 18 dividers. The slide out truck bed tool box and cargo van tool box has a roll-out drawer load rating of 425lbs evenly distributed. The steel top and sides have a load rating of 750lbs evenly distributed. This truck bed storage and cargo van storage unit can be mounted inside the rear of the vehicle to provide easy access to large tools and supplies while leaving floor space open.