QualityParts From Oregon That you can depend on. Center hole: 6 point star, 5/8": Requires 1, 98-061 blade and 2, 198-063 blade for 46" cut; 3-in-1 mulching; Center blade; Enhanced mulching for bagging and discharge efficiency; Stays sharp and durable for longer; Replacement for major brand: Bolens Oregon Equipment Parts 98-061 Blade Mtd 942-0612A 14-7/8In