Dynabrade 93609 1" Dia. x 3/8", 3-48 Female Center Thread, 60 Grit A/O, 8 Ply, J-DynaCut Cross Pad, 100/pack 
Insize 2435-E602, BORE GAGES, measuring depth 20″, range 1.4-2.4″, 6928640391095
$3,190.75
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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