Dynabrade 95675 1/4" Male Plug with 1/4" NPT Male Thread 
Dynabrade 95850 – 1/4″ Female Coupler with 1/4″ Female Plug Assembly
$30.38
— ONLY USE DYNABRADE COUPLERS WITH DYNABRADE PLUGS
1/4″ Female Coupler with 1/4″ Female Plug Assembly
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