This is a simple precision tool for your next compression fitting project. Flaring is an excellent method to create a tight seal between tubes. Create burnished 37 degree flares with this Parker flaring tool. This item is strong enough for use with copper and aluminum alloys. Use the Parker 212FB with 1/8, 3/16, 1/4, 5/16, 3/8, 1/2, 5/8 and 3/4 inch OD. For a user-friendly flaring tool, this 37 degree flare tool delivers. To create perfect flares, open the die, insert tubing up to the gauge and clamp. Then, turn its handle clockwise to flare and counterclockwise to retract the flare cone. The Parker 212FB is that simple! Flare your copper and aluminum tubing without breaking a sweat. This tool is ideal for any handy aviator for do-it-yourself compression fittings. The Parker 37 Flaring Tool features a depth gauge for proper positioning, so you can create consistent flares with every use.