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: 315/75-16, 315/70-16, 325/60-18, 285/65-20, 315/70-17, 305/60-18, 385/60-18, 285/70-18, 305/70-18, 385/50-20, 275/65-20, 385/65-20, 295/40-24, 33x14.50-15, 35x12.50-18, 35x12.50-20, 35x12.50-16, 275/80-17, 315/60-20, 35x12.50-17, 325/70-17, 35x12.50-16.5, 305/55-20, 295/70-18, 35x12.50-15, 305/50-22, 325/75-17