Starrett Dial Indicator STR-81241J

Dial indicators are capable of measuring small distances between two surfaces that a standard gauge cannot reach. These precision instruments translate the small linear distance into rotational movement and display the measurement on a continuous dial numbered clockwise around the face. Also known as test indicators, dial indicators are frequently used to measure machinery calibrations and equipment tolerances. . The Starrett 81 Series Dial Indicator has a shockless, hardened steel gear train and jewel bearings. It is furnished with a lug-on-center back. Antimagnetic and special non-shock mechanisms are options available for all models. .250". Range, Dial Reading 0-100, .001" Grad.