uxcell Brass 1/4" PT Male Threaded Dia Hex Socket Head Pipe Connector Fitting 5 Pieces Product Name : Hex Head Pipe Connector;Color : Copper Tone Material : Brass;Thread Diameter : 13mm/ 1/4" PT Hex Side to Side Diatance : 6mm/0.24";High : 8mm/0.31" Net Weight : 25g Package Content : 5 Pcs x Hex Head Pipe Connector