The MTD 7420504A is a genuine OEM high-lift blade, precisely engineered for superior grass cutting and bagging performance. Measuring approximately 492.25 mm (19.38 inches) in length, this blade features a 6-point star center hole, ensuring a secure fit on compatible mower decks. It is a direct replacement for various MTD, Cub Cadet, Troy-Bilt, and Craftsman lawn tractors and riding mowers, designed to maintain optimal cutting efficiency and durability. This blade is also known as and replaces part number 9420504A.