An anodized aluminum winding check. Leave a clean finish and transition off to your grips.
| Millimeters | Fraction of an inch | Thousandth of and inch |
| 6.5 | 16/64 | 0.255 |
| 7.0 | 18/32 | 0.275 |
| 7.5 | 19/64 | 0.295 |
| 8.0 | 20/64 | 0.314 |
| 8.5 | 21/64 | 0.334 |
| 9.0 | 23/64 | 0.354 |
| 9.5 | 24/64 | 0.374 |
| 10.0 | 25/64 | 0.393 |
| 10.5 | 26/64 | 0.413 |
| 11.0 | 28/64 | 0.433 |
| 11.5 | 29/64 | 0.452 |
| 12.0 | 30/64 | 0.472 |
| 12.5 | 31/64 | 0.492 |
| 13.0 | 33/64 | 0.511 |