3M 22399, Roloc Disc 361F, 50 YF-weight, TR, 2 in, Die R200P, 7000028184 
Insize 2435-E354, BORE GAGES, measuring depth 40″, range .7-1.4″, 6940561947656
$4,271.10
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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