Dynabrade 97568 3/8" NPT Female Safety Coupler 
Dynabrade 97567 1/4" Safety Coupler, Male 
3M 13131 Scotch-Brite Surface Conditioning Belt, 1/4 in x 24 in, A MED, 7000120661 
Insize 3287-3, GROOVE MICROMETER, 2-3″, 6928640327575
$611.38
Graduation .001″.
Measure width of grooves inside bores.
Non-rotating spindle.
Two graduations for inside and outside measurement.
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