Mitutoyo inside Micrometer 2-12 in Tubular Extension Rod Type

137-212 Mitutoyo Inside Micrometer 2-12 inch Tubular Extension Rod Type - Wide range of inside measurements possible by combining extension rods and anvils with the measuring heads
The sleeve is rotated to adjust the index line position when setting to a length standardCode: 137-212,
2-12 in capacity x .001 in graduations Inside Micrometer set Tubular Extension Rod style,
A wide range of inside measurements is possible by combining extension rods and anvils with the micrometer head,
5 extension rods included