Manufactured out of spring steel these straight edges are precision ground
Adita C1101080100 Set of Thread Measuring Wires
Functions: HV-110 system main unit
Suitable for all external micrometers
You can measure recessed features that are difficult to reach with a standard micrometer
Peacock 1440 Dial Indicator, 0-.05" Range, 0.0001" Graduation, +/-0.0004" Accuracy, 0-10 Dial Reading, With Lug Back, White Face Glass Scales Manufactured out of spring steelManufactured in Japan A multi revolution dial indicator suited to general measurement applications. The bi directional scale aids measurement in both directions. Peacock 1440 Dial Indicator, 0 . 05" Range, 0. 0001" Graduation, + 0. 0004" Accuracy, 0 10 Dial Reading, With Lug Back, White Face Type Plunger Style of Indicator Standard Type Analogue Face Diameter 2. 25" Measurement units Inch Indicator Range . 05" Mounting Diameter 3 8" Measuring Range .