Feature: Good quality material Nylon for fuel/gas and other common fluid types, it is durable, long life for use. Good durability and corrosion resistance. 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. Specification: Size: 3/8 (9.49mm) SAE to 5/16 (8mm) Nylon Hose Total Size: 42x33x21mm / 1.65"x1.30"x0.83"(L*W*H) Hole Diameter: 5mm / 0.20" Shape:90 Degree Material:Nylon Color:Black Package Include:1 Pair x Fuel Line Hose Quick Release Connector