Size Chart
SIZE CHART
| Internal Diameter (mm) | Internal Diameter (in) | Size |
| 15,3 mm | 0,60 in | 8 |
| 15,9 mm | 0,63 in | 10 |
| 16,5 mm | 0,65 in | 12 |
| 17,1 mm | 0,67 in | 14 |
| 17,8 mm | 0,70 in | 16 |
| 18,4 mm | 0,73 in | 18 |
SIZE CHART
| Internal Diameter (mm) | Internal Diameter (in) | Size |
| 15,3 mm | 0,60 in | 8 |
| 15,9 mm | 0,63 in | 10 |
| 16,5 mm | 0,65 in | 12 |
| 17,1 mm | 0,67 in | 14 |
| 17,8 mm | 0,70 in | 16 |
| 18,4 mm | 0,73 in | 18 |