Mitutoyo Dial Indicator Mitutoyo's Series 2 Dial Indicators offer high-strength, heat-treated stainless steel spindles for longevity. Also included are scratch and chemical resistant, hard-coated crystals. Features include... 0-.5" Measuring Range 0-10 Dial Reading .0001" graduation 0.010" Range Per Revolution Flat Back 3/8" Diameter Stem 4-48 UNF Threaded Tip Includes Certificate of Calibration traceable to NIST. Mitutoyo now is offering their most popular gages with an ISO/IEC 17025 Accredited Certificate of Calibration that is traceable to NIST. These calibrations are performed at Mitutoyo America's A2LA Accredited Calibration Laboratory in Aurora, Illinois. The Open Date Put Into Service is to be filled out by the end user when the gage is first used. The lead time on this gage is approximately 3 - 4 weeks to ship after receipt of order.