Please order equivalent box #EC30111, which is heavily packaged for parcel shipment Mounts on the inside of the truck bed rails to provide additional storage space Patented RigidCore foam-filled lid to maximize strength and prevent binding 0.058" extra-thick, one-piece aluminum tub holds heavy tools and cargo Stainless steel lock handle for security and corrosion-resistant operation. MicroSeal gasket helps seal out moisture, dust and dirt. Lid self-opens to 90 degrees for convenient operation and loading. Universal design can be mounted on the driver or passenger side. Multiple box sizes available for a custom fit on each truck application. Assembled in USA. Limited lifetime warranty (one-year finish, one-year parts). .