Made to be mounted on tires to connect chains to the tire swivels. Each 3-piece set has an eye bolt, a 2 1/2" bottom washer and a lock tight nut. This product should last 2 years in harsh conditions and up to 5 years in optimal conditions. Some conditions may require replacement sooner. Weight is 2 lbs. per set. Tensile Strength 1400 lbs. Sold in sets of three.