Upgrade your lawn mower with the MTD 21" Mulching 3-in-1 Lawnmower Blade 942-0741 / 742-0741 Bow Tie Center Hole. This high-quality blade is compatible with various brands such as Troy-Built, YardMachines, Snapper, Yard-Man, Murray, and Bolens. The blade is made of durable materials and is designed to withstand manual/push mower power sources.