This listing is for one pair of New tire chains, compatible with 18X6.50-8 and 18X650-8 tires. These chains are designed for use with lawn tractors and snowblowers. The Chain dimensions measure 10.0 Inches wide x 38 inches Long and the weight is 15 pounds. Please note that these tire chains are designed to provide additional traction in snowy or icy conditions. They are compatible with a variety of outdoor power equipment that needs to navigate slippery terrain.