These chains are designed for highway use. Made from 5.9mm wire. Made of hardened alloy steel. Up to 20% lighter than standard carbon chain. Can run 2-3 times longer than carbon chain. Perfect for on the road fleets. Not intended for Plow, Forklift, or Tow Truck Applications. Fits Tire Sizes: 11R22.5, 275/80-22.5, 10.00-20, 10.00/90-20, 285/70-24.5