3M 20911, PSA Cloth Disc 348D, 50 X-weight, 2 in x NH, Die 200P, 7000118871 
3M 76631, Roloc Disc 777F, TR, 3 in x NH, 36 YF-weight, 7000028339 
Insize 2443-E12, BORE GAGE, .315-.427″, 6940561981094
$5,960.72
Accuracy (without dial comparator) 157uin
Repeatability (without dial comparator) 39uin
Applicable for .001″ ir .0001″ or .00005″ graduation dial indicators
Carbide contact points
Optional accessory: setting ring, bore gage setter
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Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
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