Primary Wheel Chock Application General Purpose, Width 17 in, Height 8 in, Depth 11 in, Urethane, Wheel Chock Surface Tread Grooved, Wheel Chock Style Double with Rope or Chain, Max. Vehicle Weight 40,000 lb, Wheel Chock, Orange, Includes 48 in Nylon Rope, Max. Tire Diameter 35 in, Wheel Chock Base Tread Grooved, 1 Pair