Spline Micrometer, Ratchet Thimble

When it comes to micrometers, the Mitutoyo 331-351-30 Spline Micrometer is a high-quality tool that will meet your demands. The digital micrometer has an IP65 water/dust protection rating, making it suitable for harsh environments. Measuring splined shafts, slots, and keyways are made easy with the small diameter of the anvil and spindle. The non-slip grip finish allows you to maintain a firm hold on the micrometer at all times. The ratchet stop ensures that you can take measurements without having to readjust the micrometer each time. If you work in tough conditions or have tight tolerances, this is the tool for you.