The MTD 74204214 blade is a genuine OEM replacement part designed for a variety of MTD, Cub Cadet, and Troy-Bilt walk-behind lawn mowers. This standard blade measures 21 inches (533.4 mm) in length and features a 6-point star center hole, ensuring a precise fit and optimal cutting performance. Constructed from durable materials, this blade provides efficient grass cutting and bagging, maintaining the pristine condition of your lawn.