Mitutoyo Telescopic Gauges
A Mitutoyo transfer gauge that enables the diameter of holes, bores or grooves to be measured with outside micrometers or calipers. In operation the spring loaded plunger is allowed to expand within the feature to be measured and then locked in place using the knurled rotary control on the end of the handle. In practice some manipulation is necessary to ensure that the minimum size has been captured, after which the gauge is carefully withdrawn so that the dimension across the contact surfaces can be measured.
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