Grizzlar GTU-220 Garden Tractor Snowblower 2 link Ladder Alloy Tire Chains 12x3 4.10/3.50-5 2 link spacing for better traction Manganese steel for longer durability Can be turned around for longer life. Twist link crossmembers Chains only, tires not included. Sold in pairs. Fits 12x3, 4.10/3.50-5, 4.10-5, 3.50-5 tires.