Notched Air-Lift Blade / Scag 482878Pack Size:1Scag 482878, Scag A48108, Scag 481707, Scag 482642, Scag A48185, Scag 481711, Scag 48185, Scag 48108, Scag 482878J. Thomas 340878, Landscaper Express 482878, Landscaper Express 2297, Landscaper Express 2295, Landscaper Express 20-0604, Landscaper Express 231002, Landscaper Express 96359, NHC SC3801, Oregon 91-637, Sunbelt B1SC3801Scag Tiger Cub, Wildcat, Turf Tiger and Freedom Z with 52" deckLength: 18 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .203 "