... .current,volt,presure by Chip set Multi-func MMA/TIG/CUT are available CT-Z series DC inverter MMA/TIG/CUT welder ... : steel, stainless steel, aluminum, brass, copper, iron and cast iron. Clean, accurate cuts.Air Regulator/Air Filter - Adjust air pressure and ... :DC inverter MMA/TIG/CUT welder/welding machine CT-Z series DC inverter MMA/TIG/CUT welding machine(CT520Z,CPU controlled ...