[1/8 Inch]1/8 inch; NPT threaded end. Suitable suitable for M-Style(Type D) couplers, compatiable with most air hoses or air tools. [Quick Connector]Quickly and safely connect and disconnect system, optimal sealing and high efficiency. [Widely Used]These industrial plugs are great suitable for professional jobsites, in automotive shops or in the garage suitable for air hose, air compressor, air tools, air nailer, air blow , pressure washer. [Sturdy ]Made of brass. Strong and not easily corroded, can keep tools work safely at high temperatures and pressures, suitable suitable for long time use. [Specifications]Operating temperature range is -40 to +250(-40 to +121). Working pressure of 300PSI. Colour:As shown Material:brass style: C 6 NPT Female Package Contents: 6 * Connect Plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.