The 148-201 is a 148-series 6.5mm miniature Micrometre Head without spindle lock. This miniature micrometre heads for ease of incorporating into machines, 0.01mm graduation and 0.005 accuracy. the micrometre head become a common measuring, feeding and positioning device to be mounted on a measuring instrument and precise machine, according to the recent technology development, the micrometre head becomes widely utilized in the precise feeding device, cross-travel stage of laser instrument and manipulator, not to mention measurement of jigs.