Hi-Lift Blade / Dixon 13948Pack Size:1Dixon 13948, Dixon 9444Dealer Choice 50-2083, NHC 212-0026, Oregon 91-146, Rotary 6766Dixon Grizzly, Kodiak, Ram 50 1997 and newer; requires 3 for 50" deckLength: 17 ", Center Hole: 11/16 ", Width: 2 1/2 ", Thickness: .187 ", Requires 3 for 50" deck