3M 29831, Sanding Screen, 180 Grit, 18 in x NH, 7100160238 
Insize 6315, MICROMETER MEASURING FORCE DETECTOR, 6928640351143
$115.24
For outside micrometers 0-1″/0-25mm,
1-2″/25-50mm, 2-3″/50-75mm and 3-4″/75-100mm.
Measures Micrometer Force 5-12N
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