QualityParts From Oregon That you can depend on. Center hole: 5/8": Aggressive blade angle increases air flow to push debris up and out for superior bagging or side discharge; Gator MulcherĀ® provides cleaner, more efficient cutting performance can eliminate the need to bag, saving time and hassle; Replacement for major brand: Dixon; ; ; Oregon Equipment Parts 96-323 Blade Dixie Chopper Gator G3