MTD Genuine Parts 20-Inch Mulching Blade for Lawn Mowers 1997 and After Fits MTD 20" walk-behind mowers 1997 and after Also fits MTD Gold, Yard Man, Yard Machines, Troy-Bilt, Bolens, White Outdoor and Huskee products 3-in-1 blade mulches 1" star center hole Replaces O.E. # 742-0740 and 942-0740