Petrol fuel line hose is a very common and useful accessory used in various engines at home and in the garden. Fuel line is used for small engines for chainsaws, string trimmers, blowers, lawnmowers, etc. Fuel line hose, is in size of : 5mm/0.2-inch inner dia, 8mm/0.31-inch outer dia, 1.5mm/0.06-inch wall thickness, 3 meters/10ft total length The fuel pipe has strong oil resistance and wear resistance, smooth surface, easy installation, and can work normally in low temperature environment. It is a good replacement for the fuel pipe on the engine; Soft and light weight; Aging resistant, durable Steps of installation: 1.Prepare a fuel line hose; 2. Remove the fuel pipe to be replaced; 3. Install it Please select the fuel pipe of appropriate size, especially the inner diameter and outer diameter of the pipe