Description
Alpen Masonary Drill 26 x 260 Jensons 1 4" x 108mm 1 4" x 108mm 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