Technical Data:
Series: 167
Product type: Setting Standard for Outside Micrometer
Application: Setting the zero point on outside micrometers
Length: 12 in
Accuracy: +/-0.00025 in
Parallelism: 0.00008 in
Flatness: 0.000012 in

Dimensions:
Length L=12 in
Reference length ell=64 mm
Diameter D=0.37 in
Central body Dia.=14 mm; body reference length=60 mm