3M 54135, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 2 in x NH A VFN, 7100075708, 200 per case 
3M 18483, Scotch-Brite Coating Removal Disc, 5 in x NH S XCS Bulk, 7000046033 
Insize ISO-8000FN, COATING THICKNESS GAGE(HIGH PERCISION), 0~19.6mils/0~59.0mils, 6974029771361
$1,571.17
Resolution .01mils
Can measure thickness of thin costing below .4mils
High repeatability
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