
Size Guide
| UK | US | EU | Inside Circumference (mm) |
|---|---|---|---|
| J 1/2 | 5 | 48.5 | 49.3 |
| L 1/2 | 6 | 51 | 51.9 |
| N 1/2 | 7 | 55 | 54.4 |
| P 1/2 | 8 | 57 | 57 |
| R 1/2 | 9 | 59 | 59.5 |
| T 1/2 | 10 | 61.5 | 62.1 |

| UK | US | EU | Inside Circumference (mm) |
|---|---|---|---|
| J 1/2 | 5 | 48.5 | 49.3 |
| L 1/2 | 6 | 51 | 51.9 |
| N 1/2 | 7 | 55 | 54.4 |
| P 1/2 | 8 | 57 | 57 |
| R 1/2 | 9 | 59 | 59.5 |
| T 1/2 | 10 | 61.5 | 62.1 |