Product descriptionGraduations: 0.01mmReading 0-10mmProduct applicationDial indicators are precision measuring tools with a myriad of applications in the machine shopProduct featuresShock proof constructionContact point made from stainless steelMain movement gears are made from high quality brass with resistance to wear and rustThe working principle of the dial gauge£º the measured size caused by tiny moving straight rod through gear transmission， amplification， is refers to the total rotation on the dial， so read the measured size.