The rugged Underbed Storage Boxes are designed for heavy-duty trucks and semis to keep larger, heavy items and tools secure yet easily accessible. The Model 548-5-02 steel standard Underbed Box features a Black ARMOR-TUF Powder Coat finish ensures years of dependability, Stainless Steel door and 9.1 cu. ft. of storage. The 3-point latching system helps protect against theft and weather.