Series: 234
Length: 100 mm
Diameter: 6.3 mm
Ends: Hardened and accurately lapped to a spherical radius
Handle: Insulated to minimize thermal expansion when held
Material: Special tool steel
Finish: Precision lapped for accuracy
Uses:
Used for checking and setting micrometers of 2 " (50 mm) capacity and larger.
Also used on machine tools for comparing gauges, checking precision measuring tools, and measuring parallel surfaces.