Product Description The Mitutoyo 1410S-10 Series 1 Dial Indicator has a Lug-Back with a range of .25" with .1" per revolution, .001" graduation and 0-100 Dial Reading with an 3/8" Stem with Jeweled Bearings. Features a revolutionary stem-bush design for trouble free stem clamping and longer clamping range. No through screw-hole on the frame for high dust-resistance. Greater rigidity in the bearing plate for reducing the tracing error.