This genuine MTD 7420672 lawn mower blade is an 18.40-inch (467.36 mm) right-hand cutting blade, featuring a 6-point star center hole for secure mounting. With a width of 2.5 inches (63.5 mm) and a thickness of 0.15 inches (3.81 mm), this durable blade is designed for optimal performance on various MTD, Cub Cadet, Troy-Bilt, Yard-Man, Yard Machines, Huskee, Bolens, and White Outdoor riding lawn mowers and lawn tractors. It ensures efficient grass cutting and a clean finish, making it an essential replacement for worn or damaged blades.