25 Foot Roll of 7/16" ID Black Rubber Fuel Line Made in the USA Used for Cars, Trucks, Tractors, or Small Engines Nitrile Tube Construction with 2 Spiral Polyester Reinforcement and PVC/Nitrile Blend Cover Designed for Conveying Gasoline E85 Ethanol and Diesel Fuel Temperature Resistant from -40 Degrees Fahrenheit to +212 Degrees Fahrenheit Made By PRO 1 in the USA NOT for Fuel Injection The maximum working pressure is 50 psi.