Equip your semi truck to be Ready for the Road Ahead , with the Pro-Tech Industries Heavy Duty Frame-Mount Chain Hanger, a key device that efficiently stores unused chains. With straightforward design, this replacement device is able to act as a storage container for unused chains, allowing operators to neatly organize and optimize available storage space. Crafted with diamond plating for long-term durability. FleetPride is your First Click in Heavy Duty .