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: 1/4 (6.3mm) SAE Suitable for: 5/16" (8mm) Nylon Hose Total Size: 74x17x16mm / 2.91"x0.67"x0.63"(L*W*H) Hole Diameter: 5mm / 0.20" Shape:Straight Material:Nylon Color:Black Package Include:2 x Fuel Line Hose Quick Release Connector