Technical Data:
Internal gear tooth micrometer
Measure over-pin diameter of gears
Range: 25-50mm
Accuracy: 4um
L: 6mm
Graduation: 0.01mm
Ratchet stop

Dimensions:
L=6mm
Measuring-tip reference diameter=dia.3mm
Body/reference diameter=dia.21mm

Remark:
Ball tips are optional; optional ball tips code 7383
Optional cylindrical tips code 7393, only for micrometers with L=8mm
Supplied with manufacturer inspection certificate