Oregon Gator Mulcher 3-N-1 Lawn Mower Blade For Cub Cadet 16-Inch 753-3939 & 91-073 96-373 Replaces OEM No.759-3939, 91-073 Blade length (measured diagonally): 16.1-inch Blade width 2.5-inch Blade center hole diameter 0.76-inch Outer hole:0.32-inch Width: 2.50-Inch and Thickness: 0.203-Inch