Grizzlar GTU-236 Garden Tractor Snowblower 2 link Ladder Alloy Tire Chains 12.5x4.50-6 12x7-4 13x4.1-6 13x4.00-5 13x4.00-6 13x5.00-6 4.10-6NHS 4.10/3.50-6 4.10-6 2 link spacing for better traction Manganese steel for longer durability. Chains only, tires not included. Sold in pairs. Can be turned around for longer life. Twist link crossmembers Not suitable for deep lug tires / tires with aggressive tread. Use net style chains instead.. Fits 12.5x4.50-6, 12x7-4, 13x4.00-5, 13x4.00-6, 13x4.1, 13x5.00-6, 4.10-6NHS, 4.10/3.50-6, 4.10-6 tires.