cooled.7. Suitable for welding carbon steel, alloy steel, cast iron, stainless steel ,etc.Product DetailsThe incredible Portable arc welder provides extraordinary operation experience. This lightweight high-tech mini welderadopts IGBT inverter technology that gives perfect welding performance for quick start, deep penetration and the best polished weld finish with accurate stability of the Arc. It is suitable for running 1.6 - 4mm welding rod. The all new welding tool is increasingly becoming o