Rex-Plus Diamond Core Drill Bit Set 5pc Ratchets Mitutoyo Micrometer Head 50-63mm to

Rex Plus Diamond Core Drill Bit Set 5pc Ratchets Mitutoyo Micrometer Head 50 63mm to Mitutoyo Micrometer Head 50 63mm to suit Tubular Extension Rod TypeWide 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 Mitutoyo Inside Micrometer Head Interchangeable Rod Type (needs 04GAA285 anvil and 303341 nut for 50 63mm Micrometer)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