Internal Micrometer Manual

FEATURES:
Wide range of ID measurements with interchangeable rods.
Each interchangeable rod is marked with its measuring range.
The sizes of interchangeable rods can be adjusted with spacing collars.
Both micrometer head and furnished rods are satin-chrome finished throughout.

SPECIFICATION:
Inch Model :
±(.00024+(.00004xR/2in)
R= Maximum measuring length (inch)

Metric Model :
Accuracy: ±(6+L/50)µm*
L= Maximum measuring length (mm) Fraction rounded up

Fraction rounded up :
Graduation: 0.01mm or .001″