

This convenient 5 in 1 pocket watch key winder set reduces multiple tools into one. This is great for repair shops and hobbyists who never know when they might need that one other size. Includes sizes 2, 4, 6, 8 and 10. Also available in odd sizes.
Size of square (mm) | English Key Size (Standard) | Euro Key Size (e.g. Bergeon) |
---|---|---|
0.90 | 00 | 12 |
1.00 | 0 | 11 |
1.10 | 1 | 10 |
1.19 | 2 | 9 |
1.29 | 3 | 8 |
1.38 | 4 | 7 |
1.47 | 5 | 6 |
1.54 | 6 | 5 |
1.61 | 7 | 4 |
1.68 | 8 | 3 |
1.75 | 9 | 2 |
1.85 | 10 | 1 |
1.90 | 11 | 0 |
2.00 | 12 | 00 |