The Mastercool Universal Hydraulic Flaring Tool Set, No. 72475, features a tube and die set stabilizing arm. magnetic adapter holder, enlarged die set compression area and improved hydraulics. This kit fabricates: Push Connect 1/4, 5/16 and 3/8”, GM Fuel Line Flare, Brake Lines and Transmission 5/16 and 3/8”, Flare/Double Flare 3/16, 1/4, 5/16, 3/8 and 1/2”, Metric Bubble Flare 4.75, 6, 8 and 10mm. The set comes in a custom molded box.