Allstar ALL48328 25 Foot Coiled Tubing Fuel Line Sold each Tubing does not include flare nuts (sold separately) Tubing is 304 grade and double annealed for easy flaring and bending Coiled tubing works great for building one piece custom fuel lines without unions Fuel line is made from zinc-plated steel coiled tubing and has a 3/8 inch diameter comes in a 25 foot roll