The MTD 74205068A is a genuine OEM mulching cutting blade designed for 54-inch cutting decks on various MTD, Cub Cadet, and Troy-Bilt lawn tractors and zero-turn mowers. This blade measures 539.75 mm (21.25 inches) in length and 63.5 mm (2.5 inches) in width, featuring a 6-point star center hole for secure attachment. It is engineered to provide superior mulching performance, finely cutting grass clippings for a healthier lawn.