Our Commercial Truck Highway Service Carbon Link Cam-Style Tire Chains are our entry level on-road chains, providing excellent traction on snow and ice-covered roads and highways. Made of 8mm Carbon Steel, these chains feature round twist links. Not intended for plow, forklift, tow truck, fire truck or off-road use. Sold in pairs. Rubber spider bungee adjusters sold separately (Quality Chain SKU #0218).