RIGIDCORE LID. This truck bed tool box is built for max lid strength with patented RigidCore. The lid is filled with a solid foam that helps prevent binding. The low-profile lid also offers a better view out of the rear cab window EXTRA-THICK ALUMINUM. This truck utility box features a one-piece tub made from welded 0.058-inch aluminum. The tub has a slim profile to provide additional space in the truck bed STAINLESS STEEL HANDLES. This truck storage box is equipped with stainless steel paddle handles for dependable security and long-lasting operation in spite of the elements. The handles are wide-spread for easier access from the sides of the truck CONVENIENT ORGANIZATION. This truck tool chest is perfect for keeping tools and cargo organized and on-hand for whenever you need them. It comes with a tool tray and built-in screwdriver holders for convenient small item storage and retrieval EASY TO INSTALL. UWS pickup truck tool boxes are available in several different sizes and styles to accommodate each unique truck and preference. All crossbed truck tool boxes also come with pre-drilled mounting slots and hardware for easy installation