Oregon 98-632 Gator Mulcher 3-N-1 Blade For 22-Inch Cub Cadet/Troy-Bilt/Yard Machines/Yard-Man Lawn Mowers after 1995 Replaces OEM No. 742-0642, 742-0742, 942-0642, and 942-0742 Order 1 for a 22-Inch Cut Blade Length (Measured Diagonally): 22in. Center Hole Diameter: 11/16in. X 15/16in. Rectangular center fits the MTD bow-tie pattern on the blade adapter, Outer Holes Diameter: 5/16in., Center-to-Center Distance of Outer Holes: 2-1/2in. Width: 2.50in. And Thickness: .187in.