Please order equivalent box #EC20322, which is heavily packaged for parcel shipment Wedge design optimizes capacity while avoiding wheel wells and bed accessories 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. Multiple box sizes available for a custom fit on each truck application. Assembled in USA. Limited .