MEDIUM DUTY TWISTED LINK Truck Tire Chain. 15/64 thick. Recommended for over the road, chain law, semi trucks.For plowing or extended use, the Heavy duty truck tire chains below are recommended when available in your size. For easier installation of twisted linkTruck Tire Chains see our Sno-Chain Ramps. Optional rubber or spring tensioners are recommended. If your tires are deep lug, mud, load range E, or AT tires, please contact us prior to purchasing. Fits: 8.25-15TR 285/75R15 P275/70R16 255/85R16LT 245/70R19.5 P275/60R20 275/55R39