Mitutoyo Uni-Mike Micrometer, Imperial/Metric, Series: 317, 0 to 1 in Measuring, +/-0.0002 in Accuracy, 0.00005 in Resolution, Interchangeable Anvil, Flat Spindle, 6.35 mm Spindle Diameter, Friction Thimble, LCD Display, SR44 Battery Power Source, Carbide Tip