QualityParts From Oregon That you can depend on. Center hole: 1/2": Requires 3 blades for 72" cut; Rear discharge; Offers right-hand cut; 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 brands: Toro and Dynamow Oregon Equipment Parts 96-724 Blade Toro Gator G3