Features: This aluminum step box provides entry steps to the truck frame with the added benefit of built-in storage. Features steps made of a punched plate and an open wide design & lid for strength and durability. T-lock with Nylon Roller Open Wide Aluminum Step Box Design Box body and lid 1.5mm aluminum smooth plate Steps made of 1.5mm punched plate 2 reinforced corners at back 1 Gas Strut to hold lid Open Solid welded seams keep cargo clean and dry Steps Made of Punched Plate and an open wide design Rubber Seal for weather resistance Professional installation in highly recommended. No instruction included. .