STARRETT 234A-4 SETTING STANDARD 4IN
These standards sre for checking and setting micrometers, comparing gauges on machine tools, checking precision measuring tools, measuring parallel surfaces etc. The spherical ends are hardened and lapped. Available with insulated rubber handles to minimize heat expansion when held in the hand.
Length: 4 Inch
4IN STANDARD SETTING 234A-4 STARRETT 
