USA Standard Double Loop Chain
| NO. | DIAMETER mm |
INSIDE LENGTH mm |
OUTSIDE WIDTH mm |
WEIGHT |
| 5 | 1.6 | 23.37 | 7 | 1.8 |
| 4 | 1.8 | 25.40 | 8 | 2.2 |
| 3 | 2.0 | 27.94 | 9 | 3.0 |
| 2 | 2.3 | 33.78 | 10 | 3.5 |
| 1 | 2.7 | 39.12 | 12 | 4.5 |
| 1L | 2.7 | 51.56 | 12 | 4.2 |
| 1/0 | 3.0 | 45.21 | 14 | 5.7 |
| 1/0L | 3.0 | 56.90 | 14 | 5.2 |
| 2/0 | 3.4 | 46.23 | 15.5 | 7.5 |
| 2/0L | 3.4 | 56.90 | 15.5 | 7.0 |
| 3/0 | 3.8 | 55.12 | 17 | 9.4 |
| 4/0 | 4.1 | 55.63 | 19 | 11.0 |
| 6/0 | 4.9 | 73.78 | 21 | 15.7 |