Notched Air-Lift Blade / Scag 482879Pack Size:1Scag 482879, Scag 482881J. Thomas 340882, NHC SC3802, Oregon 91-638, Sunbelt B1SC3802Scag Turf Tiger, Cheetah and Wildcat with 61" deckLength: 21 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .203 "