Equip your semi truck to be Ready for the Road Ahead , with the HDValue Multi-Arm Rubber Tire Chain Tensioner, a key component that provides enhanced tire traction. This replacement piece helps tighten the chains around a tire, ensuring it securely grips the road. Engineered with a multipurpose self-tightening design to be suitable for cars, semis, and tractors. FleetPride is your First Click in Heavy Duty .