Mitutoyo MT368 993 50 100MM HOLTEST 3 POINT INTERNAL MICROMETER 368

Measurement range of 50 to 100 mm and precise to 0.005 mm, with + or - 3 micrometers of accuracy Three alloyed-steel contact points for durability Three-point measurement method for direct measurement of holes and bores Contact point geometry allows the instrument to measure to the bottom of blind holes Set includes four complete display units, two setting rings, extension rod, and fitted plastic case