3M 54137, Scotch-Brite, Roloc AL Surface Conditioning Disc TR, 2 in x NH A CRS, 7100075554, 200 per case 
Insize ISH-STD, TESTING STAND FOR SHORE DUROMETER, 6928640325618
$601.13
Applicable durometer ISH-SAM. Stage diameter 3.94″ DIA.
Maximum workpiece height 2.95″.
Perform repeatable hardness measurement due to fewer possibilities
of human error or measurement variations
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