... mall size,light weight,and is easy to move;3.Less spatter,no electromagnetic noise;4.Stepless current,stable welding,beautiful ... and another low alloy components.-------CUT,CT,LGK Series is inverter dc plasma cutting for stainless steel,carbon steel,copper,aluminum ... and other sheet metal.-------MIG Series is inverter carbon dioxide gas shielded welding for carbon steel,low alloy ...