In this tutorial, we will introduce you to different micrometers for length measurement, internal measurement and depth measurement, as well as their applications. Tolerance ✓ Measuring spindle ✓ Measuring anvil ✓ Ratchet ✓ Scale drum ✓ Scale sleeve ✓ Measurement ✓ Outside micrometer ✓ Inside micrometer ✓ Depth micrometer ✓