Feature:

• Designed for dial, vernier and digital calipers, measure centerline distance.
• Sold in pairs, these gages quickly adapt to most calipers.
• Centerline measurements read in exact figures; no adding or sutracting is required.
• The 60Deg. conical probe fits nuggly into holes. Takes guesswork away from center distance measurements or to an edge from a hole.
• Outside diameter and cone ground for accuracy.
• Each probe has two small holding nuts and is supplied with an allen wrench.
• Constructed of high quality alloy steel hardened to 50 HRC, black oxide finished.