Make of good quality material Nylon compatible with fuel/gas and other common fluid types, it is durable, long life for use. Size: 7.89mm SAE Suitable for: 5/16' (8mm) Nylon Hose, Total Size: 70x33x19mm / 2.76'x1.30'x0.75'(L*W*H). Easy installation, the end of barb connects with fuel pipeline or hose, time-saving and high efficiency. Connect the fuel line pull out simply for disconnect while pressing the lock button. With the clip button, easy to connect without residue or damage.