This Northern Tool + Equipment underbody truck box holds lots of great gear No mounting brackets required for a standard underbody mount application. Mounts underneath the bed of larger trucks. Heavy duty door chain. Built-in rain gutter surrounds door to keep the elements out. Dimensions A24in. B18 3/4in. C18in. Refers to image diagram above. Lock Included Yes, Body Material Steel, Dimensions L x W x H in. 24 x 18 3/4 x 18, Body Finish Powder-coat, Handle T-handle. Commercial grade steel underbody box adds a professional look and secure storage space for today's professional driver or anyone needing a heavy-duty storage solution Specially designed drip channel keeps the elements out when the door is closed and latched shut 16-ga. steel with powder-coated finish and fully welded seams provide durable long lasting finish and added protection Twin chains allow the door to open at a 90 degree angle, providing a small work station if needed Locking stainless steel flush mount T-handle provides secure storage for your cargo Heavy-duty hinge for long-lasting performance Large 24in.L x 18.75in.W x 18in.H compartment is ideal for storing DEF, Oil, chains, jacks, road salt, tire hammer, chain saws, spare batteries and just about anything else you don't want in the cab Can be mounted on the topside of a flatbed trailer or underside of most commercial trailers or some trucks 5-year warranty No mounting brackets required Made with pride in the U.S.A.