Need to replace some old, cracked fuel lines? This Sports Parts Inc hose is a solid choice. It's a full 16.5-foot roll of 5/16 inch inner diameter (ID) fuel line, made to the NPR (National Partsmaster Rating) standard. The construction is a nitrile rubber inner tube reinforced with high-strength rayon braiding for durability, and it has a neoprene outer cover that resists oil, grease, ozone, and weather. That means it's built to handle gasoline, diesel, and other fuels without breaking down quickly. It's flexible enough to route easily but tough enough to give you years of reliable service. Perfect for automotive repairs on cars, trucks, motorcycles, lawnmowers, or any small engine project. Just make sure the 5/16\ ID matches your fuel line barb fittings. A great value for a long roll of quality hose.