Update your semi truck with enhanced tire traction, with the Security Chain 13.5mm x 400mm Rubber Quik Grip Link Chain Tensioner that ensures you're Ready for the Road Ahead. With a self-tightening feature, this replacement component works to securely lock winter chains in place. Manufactured with a multipurpose design to be suitable for cars, semis, and tractors. FleetPride is your First Click in Heavy Duty.