Product details:

4LifetimeLines50 ft 3/16 in Copper-Nickel Brake Line Tubing Coil (Universal Size) * 90/10 copper-nickel tubing meets SAE standards J1047 and ISO 4038 for use as brake lines in the U.S. and internationally. The specific alloy is 88.6% copper, 9.2% nickel, 1.4% iron, and 0.8% manganese.* 90/10 copper-nickel tubing is strong like steel tubing, but with the added benefits of being almost completely corrosion resistant and extremely easy to bend and work with.* 90/10 copper-nickel has been used on European vehicle brake systems since the 70s. Some of these high-end makes include: Volvo, Audi, Porsche, and Aston Martin.* 90/10 copper-nickel can not only be used in brake systems, but also in fuel and transmission systems.* 90/10 copper-nickel is the highest quality tubing available and should be used when vehicles will be exposed to corrosive environments, where a longer-lasting line is required, and/or where OEM replacement for high-end makes and models is desired.90/10 copper-nickel does not rust, it is DOT approved for brake systems, it bends 58% easier than steel tubing, and can be purchased in coils of 25, 50, and 100 for 3/16, , 5/16, and diameters.