3M 55838, Wetordry Cloth Disc 481W, 8 in x NH, 320 Grit, 7000119275 
Dynabrade 94991 1/4" Female Composite-Style Coupler with 1/4" Female Plug Assembly 
Insize 4131-3B2, AMERICAN STANDARD THREAD PLUG GAGE, 3/4-16UNF, 6928640359071
$116.97
Class 2B.
Standard ANSI/ASME B1.2
Supplied with Go and No-Go gages together
Supplied with manufacturer inspection certificate.
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