Car Cable chains are an economical traction aide. All steel construction with tough carbon steel spring rollers. Zinc Finish for added Durability. Low profile ensures a smooth, quiet ride. SAE CLASS "S" for vehicles with restricted wheel clearance. Weighs up to 50% less than car diamond chains. Optional Tire Chains Tensioners are recommended for maximum life and performance of Cable style Snow Chains. For easier installation of car cable chains see our exclusive Sno-Ramps that make installation a breeze by positioning your vehicle perfectly. For easier installation of truck Cable Snow Chainss see our Sno-Chain Ramps. Cable Tire Chains are not recommended in snow depth greater than 2". Rubber tighteners recommended