Please order equivalent box #EC10432, which is heavily packaged for parcel shipment Angled design to accommodate unique bed sizes and wheel well shapes Patented RigidCore foam-filled lid to maximize strength and prevent binding Built lower on the bed rail for a better view out the rear window 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. Widespread handles are easy to reach from either side of the truck. MicroSeal gasket helps seal out moisture, dust and dirt. Lid self-opens to 90 degrees for convenien .