3M 71878, Flexible Diamond Hand File 6210J, Yellow 18, N40, NO 1, 7000082156, 10 per case 
Insize 2435-E1607, BORE GAGES, measuring depth 100″, range 4.0-6.3″, 6940561979848
$10,228.90
Applicable for .001″ or .0001″ or .00005″ graduation dial indicators.
Carbide contact point and anvil.
Optional accessory: dial indicator or dial comparator, setting ring.
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