Notched Air-Lift Blade / Scag 481712Pack Size:1Scag 48304, Scag 481712, Scag A48304, Scag A48111, Scag 481708, Scag 482879Dealer Choice 50-3161, Edgewater 156521, Green Meadow USCAG22, J. Thomas SG-608, J. Thomas SG-3445, Landscaper Express 91628, Landscaper Express 2291, Landscaper Express 20-0622, Landscaper Express 96347, Landscaper Pro 91628, Mow More SC21HL, NHC 212-0590, NHC SC2807, Oregon 91-628, Rotary 10930, Sunbelt B1SC2807, Sunbelt B1PD5006Scag Requires 3 for 61" deckLength: 21 ", Center Hole: 5/8 ", Width: 3 ", Thickness: .203 ", Requires 3 for 61" cut