Important: The Tire Size in this listing is in the factory publication for your tractor. Please confirm by checking the sidewall of the tire that this size is correct for your Tractor and that you have a minimum of 1.5 inches of clearance. Heavy Duty Tire Chain is made of thicker cross chain and thicker side chain and fasteners. Fits Tire Sizes: 12X12, 26X12X12, 27X12X12