Standard 0.01mm graduation dial gauges having an outer frame with an outside diameter of 57mm. All types come with limit pins and an outer frame clamp as standard. The outer clamp and lifting lever (optional) can be attached to either the right or left side. parts can be easily installed and removed without tools. Secured adhesion between the outer frame and crystal as well as the use of an O-ring ensure countermeasures against water and oil permeation via the front face. The stem spindle is made of high-strength quench-hardened stainless steel which resists strenuous use. A carbide contact point is used
The grand gear uses stainless steel that is resistant to wear and deformation.