Maxpower 331466 Mower Blade for 21" Cut MTD/Cub Cadet/Troy-Bilt Rear Bagger Replaces 742-0306, 742-0306A, 742-0621, 942-0306, 942-0306A, 942-0621, 942-0621A Includes one blade for 21" cut rear bagger MTD/Cub Cadet/Troy-Bilt Mower Replaces MTD/Cub Cadet/Troy-Bilt OEM # 742-0306, 742-0306A, 742-0621, 942-0306, 942-0306A, 942-0621, 942-0621A Blade measures 21" in length and 2-1/2" in width with a 13/16" center hole diameter Proudly made in the USA to meet or exceed OEM specifications Please ensure this blade is a match for your OEM part number