3M 20350, Hookit Clean Sanding Low Profile Disc Pad, 3 in x 1/2 in x 1/4-20 External 3 Holes Red Foam, 7000028147 
3M 45707, Cubitron II Hookit Cloth Disc 947A, 40+ X-weight, 6 in x NH, Die 600Z, 7100113121 
Insize 4726-1E, CONCENTRICITY GAGE, .118″DIA-1.575″DIA, 6928640380693
$6,617.63
With ball bearing, high stability, long working life.
Accuracy .00008″.
Optional accessory: dial test indicator
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