Why search for a separate bubble, single and double flaring tool when you can get all three in the same kit? This Eastwood brake flaring tool mounts in your vise to help you easily form 45-degree flares in OEM steel, stainless steel and soft metal tubing. It mounts directly to your benchtop vise and be stored in a cabinet or toolbox when not in use. DIY enthusiasts can use our brake line flare tool on 3/16-inch, 1/4-inch, 5/16-inch, 3/8-inch and 4.75-mm diameter lines with the included split dies. This means it will handle all your plumbing jobs, including brake lines, transmission cooler lines and fuel lines.