452B Cylinder Gage 52339

These convenient, easy-to-use gages are used to determine taper and out-of-roundness of bores, offering a quick and accurate way to show your customer whether new rings or reconditioning is necessary. The ranges are achieved by the use of two measuring contact rods. The gage is easily and accurately set to a micrometer. 2 1/2-6" Range, .001" Grad, 0-100 Dial Reading. @@@@Note:@@This item is discontinued. Please consider the recommended alternative listed above or contact our special order department at (978) 249-3551 x410 for more information.


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  • Dial is graduated to show plus or minus
  • Bezel may be rotated for zero setting
  • Sled is hardened and ground for long, accurate life and has two long-line contacts in constant alignment with the cylinder wall.
  • The locking screw (stem protruding above the dial) clamps the contact points in position for measurement with a micrometer
  • The handle can be locked in any perpendicular or angular position and may also be transformed by a slight turn into a toggle joint with a wide sweep
  • Extra handles may be ordered to make a long extension
  • Handle Extension PT06722, 8-5/8" in Length


  • Type: Cylinder Gage
  • Range (in): 2 - 1/2 to 6"
  • Graduations (in): .001"
  • Dial Reading: 0 - 100