The Starrett 708 Dial Test Indicator with Dovetail Mount offers an easy-to-read angled head and the flexibility of three dovetail mounts. It has a white dial, a .010" range, and .0001" graduations. Its three dovetail positioning mounts work with existing test indicator accessories, it has a precision gear-driven design with smooth, jeweled movement, the contact point reverses automatically, always maintaining clockwise hand rotation, contacts are frictionally adjustable and replaceable, revolution count hand for easy reading, meet or exceed ISO accuracy specification, inch reading indicators are available with easy-to-read, shaded white, red, or black dials - millimeter reading indicators with yellow dials, narrow body for in reachability, satin chrome finish for durability, large 1-3/8" (35mm) dial diameter and includes long carbide contacts 13/16" (20mm).