micrometer for external measurements
mõõtevahend tööosise välispindade mõõtmeelementide joonmõõtmete mõõtmiseks, measuring instrument which gives the evaluation of a dimensional quantity of an external feature of a workpiece on the basis of movement of a spindle with a measuring face, moving relatively to a material measure and an anvil, with the movement generated by a screw thread, dimensional measuring instrument for measurement of features of size