[Working principle]：Spider bungees work by pulling the slack evenly out of the chain toward the center hub of the bungee [High quality]：These spider bungees are made from a combination of elastomeric and natural rubber products to increase elasticity and durability, and come with metal hooks crimped onto the arm ends [Durable]：They work with both cable and link tire chains, and can increase the chains life by up to 25% [Size]：Part 0213 has an overall diameter of 11 inches and works best with rim diameters ranging from 8-14inches [Best choice]：Truck Snow Tire Chains Adjuster Tensioner are an excellent choice for adjusting tire chains