SPI Digital Micrometer - IP54 Rated Protection Features Include... Carbide measuring faces 2-3" / 50-75mm Measuring Range 0.00005" / 0.001mm Resolution Standard included Inc./Abs. measuring Spindle dia: 0.250 Accuracy: 0.00020" Friction Thimble Spindle lock Includes Certificate of Calibration Furnished in fitted case
