QualityParts From Oregon That you can depend on. Center hole: 3/4": Requires 3 blades for 72" cut; Offers left-hand cut; High-lift: The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge; Stays sharp and durable for longer; Replacement for major brand: Toro; Oregon Equipment Parts 94-011 Blade Toro 24-15/16In Lh[520]