[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 0212 has an overall diameter of 13 inches and works best with rim diameters ranging from 11-16 inches and with metric rim diameters ranging from 360mm-365mm [Best choice]：Truck Snow Tire Chains Adjuster Tensioner are an excellent choice for adjusting tire chains