UWS TBC36 36" Standard Chest for Truck Box Offset hinge designed to fit tight against the front of the bed and still allow the lid to pen without rubbing Patented fully foamed lid creates a rigid wall between outer aluminum layers to help prevent bending or warping Stainless steel paddle handle lock provides strength, security and rust-free product life Connecting rod enclosure helps prevent box contents from bending or jamming the locking system Self-closing struts automatically close the lid, with slight manual pull, securing the box when hands are full