The MTD 7420743 is a genuine OEM 18-inch (457.2 mm) standard lawn mower blade, engineered for precise cutting and long-lasting performance. This high-quality blade ensures a clean cut, promoting lawn health and maintaining the aesthetic appeal of your yard. It is a direct replacement for original MTD blades, ensuring perfect fitment and optimal operation for compatible MTD, Cub Cadet, Troy-Bilt, and Craftsman lawn mowers. Constructed from durable materials, this blade offers excellent resistance to wear and tear, providing reliable service season after season.