The Aeroflow hand held brake flaring tool is the fastest way to get a professional single or double flare while the hard line is still installed into the car and in hard to access areas on vehicles or onsite. This 45-degree flaring tool produces convex and double flares to SAE and DIN standards while the smooth die does not mark the tubing. This tool will only with 4.75mm (3/16”) tubing and comes in an easy carry case.