With a fine-adjustment carriage to fine-feed the slider.
The minimum inside measuring length is 10 mm on the 300 mm range model and 20 mm on the larger range models.
| Range (scale) | Code No | Vernier reading (scale) | Instrumental error (mm) | Weight (kg) |
| Lower Upper | Lower Upper | |||
0-300mm 0-12" | 160-150 160-151 160-153 160-155 160-157 160-159 | 0.02mm .001" | +/-0.04 +/-0.05 +/-0.05 +/-0.07 +/-0.10 +/-0.12 | 0.45 1.2 1.4 3.5 4.85 10.2 |