3M 05699, Hookit Foam Hand Sanding Set, 7000045514, 20 per case 
Insize 4771-30, SHANK RUNOUT TESTER, taper CAT30, 6940561952346
$6,820.99
Accuracy 1um
Measuring the radial runout of shanks, collets and cutting tools.
Optional accessory dial test indicator, magnetic stand.
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$55.68
Arbors/ Adapters
Standard Abrasives 850030, Unitized Wheel Mandrel, 3-1/6 in OAL x 1/4 in Shank, 7010366891
$49.23