Technical Data:
Series: 167
Product type: Setting Standard for Outside Micrometer
Application: Setting the zero point on outside micrometers
Length: 4 in
Accuracy: +/-0.0001 in
Parallelism: 0.00008 in
Flatness: 0.000012 in

Dimensions:
Length L=4 in
Diameter D=0.31 in
Central body Dia.=13 mm; body reference length=60 mm