Hi-Lift Blade / Hustler 781898Pack Size:1Hustler 781898, Hustler 782532, Hustler 785436, Hustler 795526Dealer Choice 50-4207, J. Thomas HU-2160, Landscaper Express 20-0132, NHC 212-0454, NHC HS1003, Oregon 90-207, Oregon 92-044, Prime Line 7-044036, Rotary 10372, Rotary 15-10372, Sunbelt B1HS1003Hustler Super Z; requires 3 for 52" deckLength: 17 7/8 ", Center Hole: 5/8 ", Width: 3 ", Thickness: .250 ", Heavy-duty