| Size | mm | US | JP | EU | UK |
|---|---|---|---|---|---|
| 48 | 15.3 | 4.5 | 8 | 15.3 | I |
| 50 | 16 | 5 | 9 | 16 | J 1/2 |
| 52 | 16.5 | 6 | 10 | 16.5 | L |
| 54 | 17.2 | 6.75 | 13 | 17.2 | N |
| 56 | 17.8 | 7.5 | 15 | 17.8 | O |
| 58 | 18.5 | 8.5 | 17 | 18.5 | Q |
| 60 | 19.1 | 9 | 19 | 19.1 | S |
| 62 | 19.8 | 10 | 21 | 19.8 | T 1/2 |
| 64 | 20.4 | 10.5 | 23 | 20.4 | V |
| Size | mm | US | JP | EU | UK |
|---|---|---|---|---|---|
| 48 | 48 | 4.5 | 8 | 15.3 | I |
| 50 | 50.2 | 5 | 9 | 16 | J 1/2 |
| 52 | 51.8 | 6 | 10 | 16.5 | L |
| 54 | 54 | 6.75 | 13 | 17.2 | N |
| 56 | 55.9 | 7.5 | 15 | 17.8 | O |
| 58 | 58 | 8.5 | 17 | 18.5 | Q |
| 60 | 60 | 9 | 19 | 19.1 | S |
| 62 | 62 | 10 | 21 | 19.8 | T 1/2 |
| 64 | 64 | 10.5 | 23 | 20.4 | V |
