digital internal micrometer, self-centering digital inside micrometer, self-centring digital inside micrometer
kruvik objekti sisemõõtmete mõõtmiseks, internal micrometer with a digital display, 3-point internal micrometer for high-precision measurement of holes, even at large depths, self-centring and direct reading on the high-contrast display, 3-kontaktpunktiga sisekruvik avade ülitäpseks mõõtmiseks (isegi suurtes sügavustes), isetsentreeruv ja numberlugemiga suure kontrastsusega ekraanil
