Main Feature

1)Center rod use imported materials, high precision, wear proof.
 
2)Shell made from super hard aluminum, perfectly protect instrument from damage on site work, and prolong use life.;
 
3)Pointer slider is outside ring structure, easy to adjust friction, and assure the equal friction between pointer slider and axis, so that assure the accuracy of instrument. Compare with other brand similar product, it’s better accuracy, longer use life.