Robinair 18410 Hydraulic Flaring Tool Kit Robinair's Hydraulic Flaring Kit allows fabrication of a variety of metal lines used on vehicles today Hydraulic flaring tool makes the flaring process effortless and precise, allowing quick creation of multiple sizes and styles of flares Push connect - 1/4 inch, 5/16 inch, and 3/8 inch; GM fuel, brake, and transmission lines - 5/16 inch and 3/8 inch Flare/Double Flare - 3/16 inch, 1/4 inch, 5/16 inch, 3/8 inch, and 1/2 inch; Metric Bubble Flare - 4.75 mm, 6 mm, 8 mm, and 10mm Rugged blow molded plastic case keeps all components contained and organized so they are ready when you need them