uxcell Brass 1/2" PT Male Thread Dia Hex Socket Head Pipe Fitting 3pcs Product Name : Hex Head PipeConnector;Color : Gold Tone Material : Brass;Thread Diameter : 1/2" PT Hex Side to Side Distance : 12mm/0.47";High : 10mm/0.39" Net Weight : 45g Package Content : 3 Pcs x Hex Head PipeConnector