1.The hose is made of nylon and 308 stainless steel braided fuel hose and durable CPE synthetic rubber tube, best for oil and gas lines, fuel hoses, clutch hoses, turbo lines. Nylon hose, mainly used for protection when the hose rubs against the engine or other car parts CPE synthetic rubber tube, compatible with different media, strong oil resistance Stainless steel braided fuel pipe, high pressure resistance, durable, high safety, not easy to break, has good flame retardancy and excellent corrosion resistance 2. The hose and the joint can fit perfectly without leakage. 3. Easy to install and operate, easy to use, detachable push lock or twist lock head 4. This hose is perfect for racers and performance enthusiasts who want a high-quality pipe that is lighter than traditional braided steel pipe and is easier to assemble.