Dynabrade 11254 Contact Arm Ass'y, 4-3/4" Dia. x 1/2" W 
Insize 2435-E352, BORE GAGES, measuring depth 20″, range .7-1.4″, 6928640391231
$3,240.26
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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