EM42525 - This bore micrometer system from iShot Imaging allows for the internal measurement of long bores. The self centering micrometer head is capable of inspecting 2 to 12-inch inner diameter bores and is delivered up to 40-feet using sectional push poles. It is accurate to +/- 0.001-inches. The included 110V controller gives fingertip control of measurement, outputs measurement result to LCD screen and logs data to onboard datalogger. Also see our BoreView System.