FEATURES  These precision test indicators offer an easy to read angled head and the flexibility of three dovetail mounts  Three dovetail positioning mounts work with existing test indicator accessories  Precision gear-driven design with smooth, jeweled movement  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  Angled head for better reading position  Narrow body for inreach ability  Satin chrome finish for durability  Large 1-3/8" (35mm) dial diameter  Include long carbide contacts 13/16" (20mm)  SPECIFICATIONS  Made in America: Yes  Range (mm): 0.8mm  Graduations (mm): 0.01mm  Dial Reading: 0-40-0  Attachments: Without Attachments  Contact Point Ball Diameter (in): .078" (2mm)  Contact Point Length (in): 13/16"  Contact Point Length (mm): 20mm  Dial Color: Yellow