Buyers Products Black Steel Underbody Truck Box w/ 3-Point Latch (18x18x30 Inch) Dimensions: 18"(H) x 18"(D) x 30"(W) Secure, durable 14 Ga steel body with weather-resistant black powder-coated finish Box contents stay safe and secure behind a recessed drop door and continuous hidden hinge Protect against weather and theft with the 3-point locking, die cast compression latch system Can be mounted on either a flat surface or under-bed