Oregon 96-327 Lawn Mower Mulching Blade, Gator G3, 15-1/4-Inch, Fits Exmark Center hole: 5/8" X-Tended Cutting Length optimizes the cutting efficiency with each revolution Aggressive blade angle increases air flow to push debris up and out for superior bagging or side discharge, Gator Mulcher provides cleaner, more efficient cutting performance can eliminate the need to bag, saving time and hassle. Replaces major brand: Exmark