Technical Data:
Series: 167
Product type: Setting Standard for Outside Micrometer
Application: Setting the zero point on outside micrometers
Length: 425 mm
Accuracy: +/-9.5 um
Parallelism: 2.0 um
Flatness: 0.3 um

Dimensions:
Length L=425 mm
Reference length ell=90 mm
Diameter D=9.4 mm
Central body Dia.=14 mm; body reference length=60 mm