They provide enhanced traction for snow and mud, making them perfect for winter use. The package includes a pair of durable zinc-plated tire chains and a pair of tensioners. It fits Mtd Lawn Mower 29x12x15 Tires and supports the intended replacement use. Replacement 4 Link Tire Chains & Tensioners used for the listed service role. Includes the main replacement component for the listed application. compare the original setup before purchase.