Rotary 50" 13177 Lawnmower Blade Set (3) Ariens / Gravely 03746500, 03971900
- Individual Blade Length: 17.35”
- Center Hole: 5/8” Outer Holes 3/8” Center to Center 1 7/8”
- Notched Air Foil Lift
- Check Description for replacement part numbers and fitment.