Flaring lines for brakes and fuel systems can be a pain, and properly sealing double flared fittings are essential for safety. Traditional clamp-style flare tools can be tricky to master, often times creating imperfect double flares forcing you to re-bend a new line. However, we'll never have a bad flare again in our shop.. this Eastwood Professional double flare tool not only makes perfect double flares every time, but it's so easy to use, you could do it blindfolded. Really.