Hi-Lift Blade / Gravely 09290500Pack Size:1Gravely 09290500, Gravely 09097100J. Thomas BL-0006, NHC 212-0497Gravely PM-272; requires 3 for 72" cutLength: 24 1/2 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .250 ", Heavy-duty