[Size]: NPT female x NPT female. Hex Coupler.
[Quality Materials]: The COUPLING is made of high quality 304 stainless steel, which is durable, stable, rust and corrosive resistance and good for long time using.
[Precise Design]: With NPT female threads, it can be used for connecting pipe fittings.
[Wide Range of Applications]: The coupling is used for connecting and extending Male threaded pipes or threaded rod. It is suitable for different media including water, gas, and oil with working at -67°F~428°F.
[Convenient organization and storage]: Packed in a small plastic bag with label.