Dynabrade 78599 3/8" Dia. x 2" W x 1/8" Center Hole, 80 Grit, 100/pack 
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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