3M 30691, Cloth Belt 577F, 80 YF-weight, 1/4 in x 18 in, Fabri-lok, Single-flex, 7100033207, 200 per case 
Insize 2425-E12, BORE GAGE FOR SMALL HOLES, .32″-.47″, 6928640357053
$2,366.84
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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Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
$85.16