They enhance traction in challenging conditions such as snow and mud, ensuring your equipment operates effectively. Each package contains one pair of durable, zinc-plated tire chains, but please note that tires are not included. It fits Simplicity & Mtd Lawnmower, Yard Tractor - 2 Links and supports the intended replacement use. Replacement Link Tire Chains 20x10x10 used for the listed service role. Includes the main replacement component for the listed application. compare the original setup