The MTD 7420506 genuine OEM lawn mower blade is designed for optimal cutting performance on various MTD, Cub Cadet, and Troy-Bilt lawn tractors and zero-turn mowers. This blade features a length of 413.5 mm (16.28 inches) and a 6-point star center hole, ensuring a precise fit and reliable operation. Constructed from durable materials, it provides a clean cut and contributes to the longevity of your mowing deck. Always refer to your equipment's parts manual to confirm compatibility.