Starrett PT26151 Center Distance, with Two Jaws, for Dial & Electronic Calipers, Hardened Steel

• Can be used with metric calipers by setting the caliper to 10.16mm
• Will fit Starrett 797, 798 and 120, 6" through 12", 123, 6" through 24", and 1202, 4" through 12" sizes

Two jaws with body sizes of .400" and conical points, enabling the user to measure the center distance between holes or center punched locations that are at least .400" apart and less than .400" in diameter. Center Distance Attachment.