* Features
- Wide range of ID measurements by combining extension rods (pipes) and anvils with the micrometer head.
- Carbide-tipped measuring faces are available. (series 137)
- Series 137 supplid in fitted plastic case except 1550mm/60in come in wooden case.
* Technical Data
- Accuracy: ±(.00012+.00005n+(.00004×R/2))in
- Graduation: 0.01mm or .001"
- *with carbide tipped face