Technical Data:
Series: 167
Product type: Setting Standard for Outside Micrometer
Application: Setting the zero point on outside micrometers
Length: 125 mm
Accuracy: +/-3.5 um
Parallelism: 2.0 um
Flatness: 0.3 um

Dimensions:
Length L=125 mm
Diameter D=7.9 mm
Central body Dia.=13 mm; body reference length=60 mm