Dynabrade 98265 3/8" Female Coupler with 3/8" Male Plug Assembly 
Dynabrade 94991 1/4" Female Composite-Style Coupler with 1/4" Female Plug Assembly 
Insize 4646-2H11, BSPT TAPER THREAD PLUG GAGE_2.1/2-11 BSPT, 6928640375002
$1,451.35
Standard BS 21-1985
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