INTERNAL MICROMETER 12-20MM, BASIC NAME MICROMETER NAME INTERNAL MODIFIER TYPE HOLE READING NONIO DRUM RATCHET CONTACTS 3 TIPS SPHERICAL TIPS TIPS MATERIALS CARBED METAL STANDARD STEM CALIBRATION PATTERN WITH CALIBRATION PATTERN ORANGE BOX WITH GRADE 12 ARMACITY SPEED CASINGS 3202 MACKAGES GRADE 12 ARMACITY 12 A BOX -902 FUOTEST