Fowler Digit Counter Micrometer Set Features include... 0-75mm Measuring Range 0.01mm Graduations Digit Counter reads to 0.001" Carbide Measuring Faces Ratchet Thimble and Locking Nut Includes Fitted Case Included in this set... 0-25mm Micrometer 25-50mm Micrometer with Standard 50-75mm Micrometer with Standard