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 standard
Code: 137-212,
2-12″ capacity x .001″ 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
2-12″
