http://tinyurl.com/msqdo3s<P>Oregon Lawn Mower Blade For John Deere GX20250 Single (Need 3) For 48-Inch Cut 91-108Product Review<P> Click on the link for more reviews<P>Replaces OEM No.GX20250<P>Blade length (measured diagonally): 17-inch<P>Blade width 2.5-inch<P>Blade center hole diameter 0.68-inch Outer hole:0.41-inch<P>