(3) Hustler 48" Fastrak Replacement Mulching Blades, Gator Style Zero Turn Mower, 3 Pack Replacement Hustler 48" Fastrak Blades Gator Style Teeth Length: 16 1/2" ; Width: 2 1/2" ; Center Hole: 5/8" ; Thickness: .203" Fits 48" Hustler Fastrak Please ask if you are unsure if these parts will work with your unit.