The MTD 74204060 is a genuine OEM 21-inch cutting blade designed for various MTD brand 21-inch walk-behind lawn mowers, including models from Cub Cadet, Troy-Bilt, Yard-Man, and others. This durable blade features a 6-point star center hole for secure attachment and efficient cutting performance. It measures 533.4 mm (21 inches) in length and 57.15 mm (2.25 inches) in width, with a thickness of 3.4 mm. This blade is an essential component for maintaining a clean and even lawn cut and is also cross-referenced as MTD part number 94204060.