| Diametro (mm) | Misura dell’anello | Italia | US |
|---|---|---|---|
| 14 | 44 | 4 | 3 |
| 14.6 | 46 | 6 | 3.75 |
| 15.3 | 48 | 8 | 4.5 |
| 16 | 50 | 10 | 5 |
| 16.5 | 52 | 12 | 6 |
| 17.2 | 54 | 14 | 7 |
| 17.8 | 56 | 16 | 7.5 |
| 18.5 | 58 | 18 | 8.5 |
| 19 | 60 | 20 | 9 |
| 19.8 | 62 | 22 | 10 |
| 20.4 | 64 | 24 | 10.5 |
| Diametro (mm) | Misura dell’anello | Italia | US |
|---|---|---|---|
| 14 | 44 | 4 | 3 |
| 14.6 | 46 | 6 | 3.75 |
| 15.3 | 48 | 8 | 4.5 |
| 16 | 50 | 10 | 5 |
| 16.5 | 52 | 12 | 6 |
| 17.2 | 54 | 14 | 7 |
| 17.8 | 56 | 16 | 7.5 |
| 18.5 | 58 | 18 | 8.5 |
| 19 | 60 | 20 | 9 |
| 19.8 | 62 | 22 | 10 |
| 20.4 | 64 | 24 | 10.5 |