The Vevor self-tightening snow chains are designed to provide reliable traction for cars, pickups, SUVs, and trucks in snowy and icy conditions. Built from thickened manganese alloy steel, they offer durable wear resistance and cold-weather performance. The diamond mesh chain structure helps improve grip while reducing vibration and noise during emergency winter driving. An automatic tightening system and multiple fastening mechanisms help create a secure fit without requiring a jack. This set includes two chains and is intended for compatible tire sizes listed by the manufacturer.