1019-1 Internal Dial Caliper Gage 66559

These indicating gages are ideal for obtaining fast, comparative I.D. measurements, especially in hard-to-reach locations. The user depresses the button on the indicator housing and releases, allowing the arms to make contact with the work. .400" - 1.4" Range, .001" Grad work.


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  • Makes convenient, accurate I.D. measurements
  • Spring loaded design provides constant pressure and positive contact for reliable measurements
  • Can be set with a micrometer or ring gage
  • 3-1/4" arm length for ample reach
  • Rotatable bezel for zero setting and bezel lock
  • Jewel bearings
  • .040" (1.016mm) dia. carbide ball measuring contacts


  • Type: Gage,Internal Caliper
  • Range (in): .400 - 1.4"
  • Graduations (in): .001"
  • Accuracy (in): (+/-) 2 graduations per Rev.