Rear Roll-Off Tie Down kits for most common Roll off containers and Roll off Boxes. These roll off securement kits secure the open container boxes to the truck. All componets are interchangable with OEM equipment. There is a loop for securing the strap to the winch. Hooks are zinc plated for rust prevention, strength and durability. The hooks are rated for over 15,000 lbs and the webbing is rated over 20,000 lbs. These new design Heavy Duty Hooks come with 5/8" inch screw pin clevis & offers the ability to change the strap on your roll off securement and tie down kits.