Please order equivalent box #EC20081, which is heavily packaged for parcel shipment Low-profile design provides plenty of clearance when towing a 5th wheel trailer 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 handles for security and corrosion-resistant operation. Connecting rod allows for convenient operation from driver or passenger side. Interior rod enclosure helps prevent bending or jamming of lock system. MicroSeal gasket helps seal out moisture, dust and dirt. Lid self-opens to 90 degrees for convenient operation and loading. Designed to mount inside the truck bed, leaving bed rails free for other use. Assembled in USA. Li .