Francyqube&reg; CT-312 Multi Welder Machine TIG/MMA/Air Plasma Cutter Welding 3 In 1 Functional Advanced(IGBT) inverter techology. Compact, portable, highly effective and low consumption, energy saving. Anti-stick, thermostatic control, fan cooled, carrying strap and handle. Hot start, overload protection.steel and alloy steel, etc. CE Certificate. Applicable for welding of all kinds of ferrous metals such as low carbon steel, medium carbon.