Hi-Lift Blade / Hustler 797696Pack Size:1Hustler 797696, Hustler 601124J. Thomas BL696, J. Thomas HU-695, Landscaper Express 797696, NHC 212-0727, Rotary 11856, Sunbelt B1HS1008Hustler XR7 Super Z and Hustler Z; requires 3 for 54" deckLength: 18 1/2 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .203 ", Requires 3 for 54" cut