Metric Plug *3/8Male Pipe Converts 3/8in.female pipe thread to male metric connection. For use on pumps,guns ,accessories,etc Metric Plug ×3/8Male PipeConverts 3/8in.female pipe thread to male metric connection.For use on pumps,guns,accessories,etcUse pipe tape for a leak-free connection on 3/8in.endNPT3/8 18''M22×1.5 Metric Plug *3/8Male Pipe