Blade Specs: Length: 18", Center Hole: 6 pt. star, Width: 2 1/2", Thickness: .149", Specially designed: to replace 6 pt. star center hole
Spindle Specs: OD of Pulley: 5 3/8", Specially designed: to replace 6 pt. star spindle shaft, Pulley included, No threads in housing, use self-tapping screws, Includes grease zerk