QWD 942-0741A mulching lawn mower blade is designed as a reliable replacement for many 21 inch deck walk-behind and push mower applications. This 1 pack blade replaces common OEM numbers including 742-0741A, 742-0741, 942-0741, 742-04100, 942-04276, CC-742-0741, and CMXGZAM100067. Compatible with many Troy-Bilt, MTD, Cub Cadet, Craftsman, Yard Machines, and Murray models, this 21 inch lawn mower blade features a Bow Tie center hole and a mulching blade design for dependable cutting performance. It is a practical replacement for worn troy bilt 21 inch mower blade and craftsman 21 inch lawn mower blade applications. Before purchasing, please confirm your OEM part number, blade dimensions, and center hole pattern to ensure proper fit.