Arnold MTD 21 in. Mower Blade is a high lift blade designed to fit MTD mowers from 1997 and later. This 21-inch blade features a star-shaped center hole and is suitable for both bagging and side discharge applications. It is compatible with well-known brands including Troy-Bilt, MTD, Yard-Man, Yard Machines, Huskee, and Bolens. This blade corresponds to equipment numbers 942-0641 and 742-0641, ensuring a reliable fit and performance. The blade is intended for walk-behind mowers and comes packaged in a convenient clamshell with a quantity of one. Model Number: 490-100-M086