The Stihl 22803 is a durable low lift mower blade designed as a replacement for various MTD, Cub Cadet, and Troy-Bilt walk-behind lawn mowers with 20-inch cutting decks. Measuring 520.7 mm (20.5 inches) in length and 57.15 mm (2.25 inches) in width, this blade features a 15.875 mm (5/8 inch) center hole and a thickness of 3.81 mm (0.150 inches). It serves as a direct replacement for MTD OEM part numbers 742-0610, 742-0610A, 742-0653, 942-0610, 942-0610A, and 942-0653, ensuring a precise fit and reliable cutting performance.