Snow Chains 11-22.5, 11 22.5 Extra Heavy Duty Mud Tire Chains Set of 2. Heavy Duty Tire Chains with 3/8 Thick cross Chain with 5/16 side chains. Perfect for off road, hunting, mining, oil, and farming. Heat treated/case hardened for longer wear. Recommended for hard service including mud, plowing, diesel and heavy duty trucks.PLEASE NOTE: To ensure maximum life and performance of your tire chains, tire chains must be installed as tight as possible. 1 Pair (set of 2). Wider cross chain than the other styles for improved side bite.