0-100mm Digital Outside Micrometer Set - 3109 SeriesThe 0 100mm Digital Outside Micrometer Set from the 3109 Series delivers precise outside measurements with a clear digital readout, making it ideal for machinists, inspectors, and workshop professionals who value speed and reliability. Measuring range: 0100 mm outside measurement, designed for everyday machining and inspection tasks in tight spaces. Resolution: 0. 001 mm (0. 00005 in) for quick, repeatable readings with fine detail where it matters.