Standard Abrasives 725007, Buff and Blend Cross Buff HS, A/O Medium, 1 in x 3/8 in x 2 Ply x 8-32, 7000046828 
3M 07500 Roloc+ Holder, 1 in x 1/4 in Shank, 7000144595 
Insize 4771-50, SHANK RUNOUT TESTER, taper CAT50, 6940561952360
$9,368.35
Accuracy 1um
Measuring the radial runout of shanks, collets and cutting tools.
Optional accessory dial test indicator, magnetic stand.
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Insize 6566-3, ELECTRONIC EDGE FINDER, shank 20mm, with Beeper, 6928640321207
$162.90