This quick-connect hose coupling has a length of 1 11/16 inch, a maximum operating pressure of 300 psi @ 70 Degrees F and is yellow, has an operating temperature of -40 Degrees to 250 Degrees F and is made of brass with a zinc-plated finish/coating. In addition, it has a ¼"-18 thread. Plus, it has an NPT connection type. This quick-connect hose coupling is for use on hoses and pipes.