Veľkostná tabuľka - prstene
| Vnútorný priemer (mm) | EÚ | US |
|---|---|---|
| 16 mm | 50 | 5.5 |
| 16 mm | 51 | 6 |
| 16.5 mm | 52 | 6 |
| 17 mm | 53 | 6.5 |
| 17.25 mm | 54 | 7 |
| 17.5 mm | 55 | 7 |
| 17.75 mm | 56 | 7.5 |
| 18 mm | 57 | 8 |
| 18.5 mm | 58 | 8.5 |
| 19 mm | 59 | 9 |
| 19.25 mm | 60 | 9 |
| 19.5 mm | 61 | 9.5 |
| 20 mm | 62 | 10 |
| 20.25 mm | 63 | 10.5 |
| 20.5 mm | 64 | 11 |
| 20.75 mm | 65 | 11 |
| 21.25 mm | 67 | 12 |
| 21.5 mm | 68 | 12.5 |
| 21.75 mm | 69 | 13 |
| 22 mm | 70 | 13 |
| 22.25 mm | 71 | 13.5 |
| 22.5 mm | 72 | 14 |
| 22.75 mm | 73 | 14.5 |
| 23 mm | 74 | 15 |