Standard Abrasives 713638, Cartridge RoII Mandrel, 3/32 in x 3/4 in x 1/8 in x 1 in x 2-3/4 in CM-2B, 7010294964 
Insize 2425-20, BORE GAGE FOR SMALL HOLES, 12-20mm, 6928640310348
$1,248.38
Applicable for 0.01mm or 0.001mm, graduation dial indicators
Carbide contact point and anvil
Optional accessory: dial indicator or dial comparator, setting ring
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