Ultra S Studded chain is made with a superior quality alloy steel, able to tackle extreme heavy truck off road use. XL hardened side chain and hardened cross chain hooks make this chain the strongest it can be. This chain is designed to be installed on a dual wheel assembly. No camlocks so make sure to purchase the MRT-MT6 tensioner. *Pricing listed is for 1 pair of chain, delivered to your door. Don't forget to purchase your rubber tensioner.*