These chains are designed for highway use. Made from 5.5-7mm wire. V-Bar Ice Breakers Welded onto the Cross Chains. Not intended for Plow, Forklift, Tow Truck Applications, or Off-Road Use. Fits Tire Sizes: 255/60-17, 29X9.50-15, 30X9.50-15, 29x9.50-16, 30x9.50-16.5, 10-16.5