The Starrett 81 Series, 81-241JN/S 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. 1 11/16" Dial Indicators, .250" Range, Dial Reading 0-100, .001" Grad, Nonshock
Rugged and simple unit construction with a “universally fitting” designSharp bezel serrations for positive gripUnbreakable crystal