Starrett CYLINDER GAGE, 2-1/2" - 6" RANGE 452B FEATURES 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 SPECIFICATIONS Made in America: Yes Type: Cylinder Gage Range (in): 2 - 1/2 to 6" Graduations (in): .001" Dial Reading: 0 - 100