Oregon Gator Mulcher 3-N-1 Lawn Mower Blade For John Deere 17-3/32-Inch High Lift 90-477 96-377 Replaces OEM No. M127500 Blade length (measured diagonally): 17.1-inch Blade width 2.5-inch Blade center hole diameter 0.82-inch Width: 2.50-Inch and Thickness: 0.203-Inch