Buyers Products 18x18x18 Inch Diamond Tread Aluminum Underbody Truck Box Single Barn Door Model 1705201 Seat Storage 8 Material Aluminum Color Aluminum UnderCover Elite LX 19 8 Material Aluminum Color Aluminum Bed Style Style Side Construction Heavy Duty Welded Durability Maximum Electrical Access Type PowerSync Compatible Front Panel C Channel Reinforced Gas Strut Protection Welded Gas Strut Shield Key Alike Yes Latch Mechanism Automotive Dual Stage Rotary Lid Construction Heavy Duty C Channel Reinforced Lid Profile Single Mounting Location Bed Rail Opening Type Single Lid Warranty Limited Lifetime Weather Strip Memory Resistant D Shaped Ribbed Latch Yes Powder Coat Finish Yes UPC 783965066457 DIMENSIONS RDS 60 Gallon Transfer Tank & Toolbox Combo Black Aluminum 55X20X19 so back strain is reduced while you take advantage of the unobstructed space inside with no center post It's hard to find made in the USA products built to the Buyers Quality Standards at this price point