| UK SIZE | US SIZE | EU SIZE | DIAMETER |
|---|---|---|---|
| F | 3 | 44 | 14.1mm |
| G | 3 1/2 | 45 | 14.5mm |
| H | 4 | 46 | 14.7mm |
| I | 4 1/2 | 48 | 15.2mm |
| J | 5 | 49 | 15.6mm |
| K | 5 1/2 | 50 | 16.0mm |
| L | 6 | 51 | 16.4mm |
| M | 6 1/2 | 53 | 16.8mm |
| N | 7 | 54 | 17.2mm |
| O | 7 1/2 | 55 | 17.6mm |
| P | 8 | 56 | 18.0mm |
| UK SIZE | US SIZE | EU SIZE | DIAMETER |
|---|---|---|---|
| F | 3 | 44 | 14.1mm |
| G | 3 1/2 | 45 | 14.5mm |
| H | 4 | 46 | 14.7mm |
| I | 4 1/2 | 48 | 15.2mm |
| J | 5 | 49 | 15.6mm |
| K | 5 1/2 | 50 | 16.0mm |
| L | 6 | 51 | 16.4mm |
| M | 6 1/2 | 53 | 16.8mm |
| N | 7 | 54 | 17.2mm |
| O | 7 1/2 | 55 | 17.6mm |
| P | 8 | 56 | 18.0mm |