Welder ARC 165A Inverter MMA Welding Machine Kit 110/220V IGBT Digital Display Hot Start Portable with Welding Gloves, Fits 2.5Mm Welding Rods. MULTI FUNCTION: With IGBT inverter technology, the little beast ARC165 welder WT2040 is capable of welding mild steel, weld steel, stainless steel and cast iron.