Measures internal diameters from 0.12 to 4.25 for versatile applications
Measures external diameters from 0 to 4.25 for broad compatibility
Spring-loaded center point feeler ensures accurate zero reference
Includes three straight and three curved feelers for both internal and external diameter checks
restraining rod prevents rotation for stable measurements
Summarized by Shop
Use this indicator to quickly center workpieces or fixtures on your mill. The measuring range is 0.25". The shank is 0.375" diameter and 0.75" long. The indicator is 5.5" long from the top of the shank to the bottom of the tip holder (the black part). Can measure internal diameters from 0.12" to 4.25" and external diameters from zero to 4
Measuring Range
0.12 to 4.25 inches (internal and external diameters)