3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500 
3M 55658, Stikit Film Disc w/Tab 375L, P320, 5 in x NH, Die 500X, 7100106616, 250 per case 
Insize 2222-E121, INTERNAL DIAL CALIPER GAGE, .4-1.2″, 6928640358456
$331.86
Graduation .0005″
Range: .4-1.2″
Accuracy: ? .0012″
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