Technical Data:
Series: 167
Product type: Setting Standard for Outside Micrometer
Application: Setting the zero point on outside micrometers
Length: 1225 mm
Accuracy: +/-25.5 um
Parallelism: 2.0 um
Flatness: 0.3 um

Dimensions:
Length L=1225 mm
Reference length ell=259 mm
Diameter D=11.9 mm
Central body Dia.=17 mm; body reference length=60 mm