Notched Air-Lift Blade / Scag 482877Pack Size:1Scag 482877J. Thomas BL-0031, NHC SC3800, Sunbelt B1SC3800Scag Tiger Cub and Freedom Z; requires 3 for 48" deckLength: 16 1/2 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .203 "