The MTD 9420611 lawn mower blade is a genuine OEM replacement part designed for various MTD, Cub Cadet, and Troy-Bilt riding lawn mowers and lawn tractors. This blade measures 412.75 mm (16-1/4 inches) in length and features a 6-point star center hole, ensuring a precise fit and optimal cutting performance. It is engineered to deliver a clean cut and efficient bagging or mulching, depending on the mower's setup. This blade is a direct replacement for part number 742-0611, ensuring compatibility and reliable operation.