Grizzlar GTN-539 Garden Tractor / Snowblower Net / Diamond Style Alloy Tire Chains 16x6.50-8 Net style chain for excellent traction Much more contact of the chain with the road than with ladder style chains Manganese steel for longer durability. Fits 16x6.50-8 tires Especially suitable for tires with very aggressive tread D-shaped links for increased traction. Sold in pairs.