Starrett 25-138J Dial Indicator 2-1/4" .100" 0-20-0 Dial

The Starrett 25-138J Dial Indicator a hardened steel gear train and jewel bearings. Furnished with a lug-on-center back, sharp bezel serrations to provide a positive grip and an unbreakable crystal dial face with non-reflecting white eggshell finish. This model has a Range of .100", .0005" Graduations and a 0-20-0 Dial Reading with .040" Range one Revolution and .375" Stem diameter.