
| One piece of optical parallel in each set |
| Meet ISO3650/grade 0 |
| Code | Material | Blocks and parallel included in set | Applicable micrometer |
| 4107-10 | ceramic | 2.5mm, 5.1mm, 7.7mm, 10.3mm, 12.9mm, 15mm, 17.6mm, 20.2mm, 22.8mm, 25mm, optical parallel |
0-25mm |
| 4107-101 | alloy steel | 2.5mm, 5.1mm, 7.7mm, 10.3mm, 12.9mm, 15mm, 17.6mm, 20.2mm, 22.8mm, 25mm, optical parallel |
0-25mm |