The MTD 7420295 is a genuine OEM lawn mower blade designed for a precise cut and durability. This 21-inch (533.4 mm) blade features a 6-point star center hole, ensuring a secure fit on compatible MTD, Cub Cadet, Troy-Bilt, and other MTD-family brand lawn mowers. Manufactured to original equipment specifications, it provides reliable performance and maintains the quality of your lawn. Always refer to your equipment's parts manual for exact fitment.