3M 45093, Roloc Disc Pad TR, Extra Hard 3 in 1/4-20 Internal, 7000045285 
3M 45190, Disc Pad Hub, 4-1/2 in 5/8-11 Internal, 7000045659 
Insize 2435-E1504, BORE GAGES, measuring depth 40″, range 2.0-5.9″, 6940561947670
$5,018.67
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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