- The type uses interchangeable rods to enable wide-range measurement.
- Measuring rod diameter: 4 mm
- Measuring rod lock.
- Ratchet stop provides constant measuring force.
Specifications:
| Metric | |||
| Order No. | Range | Base Size | Rod Qty |
| 329-250-30 | 0-150mm | 101.6x16mm | 6 rods |
| 329-251-30 | 0-300mm | 101.6x16mm | 12 rods |
| Inch/Metric | |||
| Order No. | Range | Base Size | Rod Qty |
| 329-350-30 | 0-6in 0-152.4mm | 4x.63in | 6 rods |
| 329-351-30 | 0-12in 0-304.8mm | 4x.63in | 12 rods |
