3M 64804, Scotch-Brite EXL Unitized Mounted Point, W163 x 1/8 in 8S FIN, 3M 7010300871 
Insize 2435-E83, BORE GAGES, measuring depth 30″, range .24-.32″, 6928640391200
$5,249.19
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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