Dynabrade 78290 2" Dia. x 2S Fine, Type R Unitized Locking-Type Disc, 25/pack 
Dynabrade 95677 1/4" Male Plug with 1/4" NPT Female Thread 
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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