3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500 
3M 47083, Cubitron II Stikit Film Disc 775L, 320+, 5 in x NH, Linered w/Tab, Die 500X, 7100145365, 250 per case 
Insize 4789-3E, CONCENTRICITY GAGE, 6928640358302
$1,892.39
Applicable diameter .039″ DIA~.984″ DIA
Accuracy .00008″.
Optional accessory: dial test indicator, mini magnetic stand (part no. 6224-40E).
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