MowerPartsGroup (6) Blades Fits Hustler 54" Raptor SD Fastrak X One Super Z Replaces 797696 601124 6 Pack of 54" Replacement Hustler Heavy Duty Blades Replaces Hustler: 601124, 797696 Length: 18 1/2" ; Center Hole: 5/8" ; Width: 2 1/2" ; Thickness: .203" Fits Raptor SD, Fastrak, X One, Super Z, and most other 54" Hustler Models. Requires 3 for 54" cut Please ask if you are unsure if these parts will work for your unit