| Diameter (mm) |
Japan size | USA size |
|
L A C E |
0.50 | 14 | |
| 0.60 | 12 | ||
| 0.75 | 10 | ||
| 0.90 | 8 | ||
| 1.00 | 6 | ||
| 1.25 | 4 | ||
| 1.50 | 2 | ||
| 1.75 | 0 | ||
K A G I B A R I |
2.00 | 2/0 | |
| 2.25 | B or 1 | ||
| 2.30 | 3/0 | ||
| 2.75 | C or 2 | ||
| 2.50 | 4/0 | ||
| 3.00 | 5/0 | ||
| 3.25 | D or 3 | ||
| 3.50 | 6/0 | E or 4 | |
| 3.75 | F or 5 | ||
| 4.00 | 7/0 | G or 6 | |
| 5.00 | 8/0 | H or 8 | |
| 5.50 | 9/0 | I or 9 | |
| 6.00 | 10/0 | J or 10 |