The Starrett 25 Series Dial Indicator has a shockless, hardened steel gear train and jewel bearings, except where noted. It is furnished with a lug-on-center back.
It has rugged and simple unit construction with a universally fitting design, sharp bezel serrations for positive grip, unbreakable crystal, hardened stainless steel stem and pinions, no-glare satin finish on case, hardened stainless steel rack and spindle, a massive bridge for rigid bearing support and non-reflecting white eggshell finish on dial.