Small Size - 14MM
- 14.00 MM Outer Diameter
- 8.00 MM Inner Diameter
- Thickness: 3MM
Medium Size - 21.5 MM
- 21.50 MM Outer Diameter
- 15.00 MM Inner Diameter
- Thickness: 3MM
Large Size - 26.5 MM
- 26.50 MM Outer Diameter
- 20.00 MM Inner Diameter
- Thickness: 3MM