This compression fitting meets the standards for SAE J512, UL, has a length of 0.95 inch, a maximum operating pressure of 193 bar and is designed for the following applications: air lines, automotive process, cooling lines, fluid transfer, lubrication lines, water lines. It is made of brass. In addition, it is a compression, with an imperial system of measurement. Plus, it has a 9/16 inch hex size. This compression fitting.