The MTD 7420507A is a genuine OEM high-lift blade designed for optimal grass cutting and bagging performance on various MTD, Cub Cadet, and Troy-Bilt lawn mowers and tractors. Measuring 18.37 inches (approximately 466.5 mm) in length, this blade features a 6-point star center hole for secure attachment. It is engineered to create a strong vacuum effect, lifting grass for a clean cut and efficient discharge or bagging. Constructed from durable steel, it ensures longevity and consistent cutting quality.