Starrett DIAL INDICATOR, 0 -.400", .0001" GRAD 656-617J.Starrett 656 Dial Indicators have a shockless, hardened steel gear train and jewel bearings. Features include a lug-on-center back. Balanced and tapered hands are easy to follow. This model features a .050" Measuring Range. If lift lever is desired, indicator must be ordered with case stem cap. .050" Range, Dial Reading 0-20, .00025" Grad.