Check the listing for details. 3pcs 1/4 NPT Male Plug Thread Hex Head Socket Solid Pipe Fitting Sealing Ring. Condition: New. Listed at 18.87 USD. These threaded male plugs are common hardware parts for closing the end of a female pipeline. Widely used on blocking the pump or ports of air pipes, water pipes, and oil pipes.Specification:Color: Silver ToneMaterial: 304 Stainless SteelThread Size: 1/4 NPTThread Part Length: 8mm / 0.32 inchOverall Size: 16mmx16mm / 0.63 inch x 0.63 inch (W x H)Packing List: 3 x Male PlugAdvantage:Made from 304 stainless steel for good strength and rust resistance. The thread design and the rubber sealing ring installed on the thread provide a tight sealing performance. The hex head is convenient for installing when you using a wrench.Instruction:Easy to install, just thread it into a female pipes.NOTE:Please check your thread size of your pipes before ordering.