Details

---

Range, inches	5/16–1/2
Country Of Origin	USA
Range, mm	8–13

Features

• Precision ground radius on each gauge provides two-point contact for maximum accuracy
• Constant spring tension gives uniform contact pressure
• Both plungers are easily locked at any desired setting
• Handles are rigidly attached to the contact plungers and are automatically self-centering
• Two telescoping contacts
• Ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gauge will enter