One Pair of Tire Chains 13 X 500-6 MaxtracOne Pair of Aftermarket Replacement Maxtrac Tire Chains for 13 x 500 6 Tires Snowblowers and Lawn & Garden Tractors This pair of Maxtrac style tire chains is designed to add traction to 13 x 500 6 tires commonly found on walk behind snowblowers and lawn and garden tractors. The zinc plated steel chains feature 2 link spacing for smooth, even contact and dependable grip on snow, ice, and slippery terrain. Sold as a pair two chains per order.