All measurements are in millimetres (mm) and refer to the width of each nail. The thumb measurement is used as the base — all other fingers are scaled to fit proportionally.
| Size | Thumb | Index | Middle | Ring | Pinky |
|---|---|---|---|---|---|
| XS | 14 | 11 | 12 | 10 | 8 |
| S | 15 | 12 | 13 | 11 | 8 |
| M | 16 | 12 | 13 | 11 | 9 |
| L | 18 | 13 | 14 | 12 | 10 |
