1-1.2" Electronic 3-Point Internal Micrometer .00005" Extension CASE INCLUDED

Brand New Electronic 3 Point Internal Micrometer Range: 1-1.2"/25.4-30.48mm Setting rings: 1" diameter Extension Rods: 5.90" Readout: .00005"/0.001mm Accuracy: .00016"/0.004mm Measuring Depth (not included extension rod): 3.543" Batteries NOT included Batteries size required: (1)1.55V Case dimension: 6''L x12-1/4''W x 2''H This versatile and self-centering 3 point internal micrometer are designed to simplified the accurate and efficient measurement of internal diameter, either through hole or blind hole.  Three carbide tipped anvils, evenly spaced at 120 degree apart,contact the internal wall surface and find the true alignment with the bore axis for accurate ID measurement. Weight: 3 LBS