Standard Type, Various Ranges, 0.0001 ”  Graduation – Inch This is a standard, inch dial indicator. It offers you the following benefits: Bezel clamp and lifting lever (optional) can be attached to either right or left side. They can be easily installed and removed without tools. No through screw holes on the frame and secure adhesion between the bezel and the crystal as well as the use of an O-ring prevents water or oil penetration.