The MTD 7593832 is a genuine 21-inch (533.4 mm) lawn mower cutting blade engineered for optimal performance on various MTD, Cub Cadet, Troy-Bilt, and other compatible outdoor power equipment. This durable blade features a 6-point star center hole for secure mounting and is specifically designed for 42-inch cutting decks, where two blades are required for a complete set. With a length of 533.4 mm, a width of 57.15 mm, and a thickness of 3.81 mm, it ensures efficient grass cutting and long-lasting use. Regular replacement of worn blades with this OEM-quality part maintains cutting quality and machine efficiency.