DepthMicrometersMeasuresthedepthofholes,projections,etc.Providedwithahardenedtipandthreadedgroundscrew,adjustableforwater.Thefaceofthebaseishardenedandplanedtomaintainalevelsurface.Graduatedinincrementsof0.01mm.CODERangemmBaseSizemm6504710-2565.3 166504720-25101.6 16