4pcs 1.5m fuel line hoses each. Includes four sizes. They are (inner diameter x outer diameter): 3mm*6mm(0.12*0.24inch), 3mm*5mm(0.12*0.2inch), 2.5mm*5mm(0.1*0.2inch), 2mm*3.5mm(0.08*0.14inch) 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 Made of high-quality materials: The fuel hose is made of high-quality PU plastic. Resistant to oil and gas, corrosion resistant, resistant to swelling and hardening, including 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 want: If the hose is too long, it can be cut as needed to ensure that the engine runs normally.