Blade Adapter / AYP 851514Pack Size:1AYP 851514, Craftsman 193825, Husqvarna 532 85 15-14, Husqvarna 532 19 38-25Edgewater 276610, Foley/Belsaw 5980161, Green Meadow CA992, Laser L1999, Laser 97493, NHC 217-1278, Oregon 65-007, Rotary 8753, Sunbelt SB-8753, Sunbelt B1SB8753AYP Walk behind mowers on new models with 3.5 and5 HP engines blade hub ID: 7/8", OD: 1 3/8"