Amazon.com : MTD Genuine Parts (490-100-M067 Mulching Blades-for 21-Inch Lawn Mowers (1995 and After) Fits Various Troy-Bilt, MTD, Yard Machines, and Other Top Models, Natural : Patio, Lawn & Garden
Amazon.com: Lawn Mower High Lift Mulching Blade for 20 inch Cutting Decks for MTD Columbia Yard Machines Cub Cadet Walk Behind 942-0640 742-0640 : Patio, Lawn & Garden