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Two-point contacts for measurement of the inside dimension (ID) of small bores Vernier scale in inch units for taking precise inside dimension (ID) measurements Ratchet-stop mechanism helps provide uniform pressure for precise, repeatable measurements
Two-point contacts for measurement of the inside dimension (ID) of small bores Vernier scale in inch units for taking precise inside dimension (ID) measurements Ratchet-stop mechanism helps provide uniform pressure for precise, repeatable measurements