INSIZE Outside Micrometer Set 0-100mm Features include... 0-100mm Measuring Range 0.01mm Graduations Carbide Measuring Faces 0.256" Spindle Diameter Ratchet Stop Spindle Lock Furnished in fitted Case Included in this set... 0-25mm Micrometer 25-50mm Micrometer with Standard 50-75mm Micrometer with Standard 75-100mm Micrometer with Standard