Buyers Products Black Steel Underbody Truck Box w/ T-Handle Latch (18x18x60 Inch) Truck Box Dimensions: 18"(H) x 18"(D) x 60"(W) Perfect balance of security and weather resistance with a durable 14 Ga steel body and black powder-coated finish. Protect against weather and theft with locking stainless steel compression latch. Can be mounted on either a flat surface or under-bed. Built for long life with aircraft grade cables and a replaceable gasket sealing system.