http://tinyurl.com/p2cgrl9<P>Oregon 98-671 MTD Gator Mulcher 3-In-1 Replacement Lawn Mower Blade 17-7/8-InchProduct Review<P> Click on the link for more reviews<P>Length: 17-7/8-inches<P>Center: 11/16 x 1<P>3-in-1 blade<P>