- Wide range of inside measurements possible by combining extension rods and anvils with the micrometer head.
- Two types of measuring faces are available; with or without carbide tip.
- An inside length standard is required for accurately setting the micrometer.
Specifications:
| Metric | |||
| Order No | Range | Head Travel | Extension Rods |
| 337-101 | 200-225mm | 25mm | – |
| 337-301 | 200-1000mm | 25mm | 25,50,100,(2 pcs),200,300 mm |
| 337-302 | 200-1500mm | 25mm | 25,50,100,,200,300(3 pcs) mm |
| Inch/Metric | |||
| Order No | Range | Head Travel | Extension Rods |
| 337-102 | 8-9in- 203.2-228.6mm |
1in | – |
| 337-303 | 8-40in- 203.2-1016mm |
1in | 1, 2, 4,(2pcs.) 8, 12 in. |
| 337-304 | 8-60in- 203.2-1524mm |
1in | 1, 2, 4, 8, 12 in.(3pcs) |
