Security Chain Company TA1943 Alloy Radial Heavy Duty Truck Singles Tire Traction Chain - Set of 2 Radial chain ladder cables for heavy duty and semi-truck single tire applications Alloy traction coil cross members are made from manganese alloy steel for even greater durability and superior traction Uses a link-style fastening system with an over-center outside latch for easier installation and re-adjustment The cross member eyelets are a new, even stronger design that allow for easy replacement and shortening Simple mounting and removal, due to its low weight Legal to use in every state where winter traction products are allowed