4 fuel hoses, 1.5 m each. Includes four sizes. They are (inner diameter x outer diameter): 3mm * 6mm (0.12 * 0.24 inch), 3mm * 5mm (0.12 * 0.2 inch), 2.5mm * 5mm (0.1 * 0.2 inch), 2mm * 3.5mm (0.08 * 0.14 inch)Widely Used:Available in 4 sizes to fit most small 2-wheel engines, providing the perfect alternative fuel line for chainsaws, blowers, pressure washers, lawn mowers and Poulan Craftman Stihl Husqvarna Walbro Zama.Made of high-quality materials:The fuel hose is made of high-quality PU plastic. Oil and gas resistant, corrosion resistant, resistant to swelling and hardening, even at low temperatures.Easy to install:The fuel line can be easily installed without additional adjustments. Clean and fast flow to ensure a constant flow when the engine is running.Cut as you like:If the hose is too long, it can be cut as needed to ensure the engine runs normally.4 Pack of 1.5 Meter Fuel Line HoseInner Diameter x Outer Diameter:3mm x 6mm (1.5 meters)3mm x 5mm (1.5 meters)2.5mm x 5mm (1.5 meters)2mm x 3.5mm (1.5 meters)These are the 4 most commonly used sizes.Suitable for both petrol and oilFor petrol chainsaw fuel deliverySuitable for most small 2-cycle enginesCompatible with - Chainsaws, Blowers, Pressure Washers, Weed Whackers and String Trimmers and many other petrol engine machines 2 Stroke4 Size 4 Feet Fuel Line, 2mm x 3.5mm; 3mm x 6mm; 3mm x 5mm; 2.5mm x 5mm; Total length is 6 meters, each 4 feet length. Material: tygon; Resists swelling and hardening, include low temperature. Note: Not compatible with greater than 10% ethanol fuel.