The MTD 7593856 is a genuine OEM mulching blade designed for optimal grass cutting and mulching performance. Measuring 16.5 inches (419.1 mm) in length, this blade features a 6-point star center hole, ensuring a precise fit for various MTD-manufactured lawn mowers, including models from Cub Cadet, Troy-Bilt, and Craftsman. It is engineered to provide a clean cut and efficiently circulate grass clippings for mulching, promoting a healthier lawn. Always refer to your equipment's owner's manual for correct blade installation and compatibility.