The YaeTek Flaring Swaging Kit form precise and accurate flares and swages. The steel flaring tool set includes an adjustable bar;Sizes of the flaring tool adapters: 1/8\", 3/16\", 1/4\", 5/16\", 3/8\", 7/16\", 1/2\", 5/8\", 3/4\". The flaring tools include 7 swage fittings with outer diameter (OD) tube sizes: 3/16\", 1/4\", 5/16\", 3/8\", 1/2\", 5/8\", 3/4\". The swivel is made from chrome-plated alloy steel, the yoke is made from heat-treated forged steel.