Indicator Centering Holder 14.960" overall length, 3/8" stem hole Can be used with dial test indicators or dial indicators.Center cylinders or holes on machine tools.
Micrometer head graduation .0001". Micrometer head accuracy .00020". Micrometer head accuracy .00020". Carbide measuring faces. Optional accessory: gage blocks grade 0(4112-A series), for zero setting