... Good performance MMA-250T DC inverter welder Use: light manufacturing, maintenance, civil steel structure installation; Weldable materials: electrodes for acidic, basic welding, ... electrodes and other electrode for welding low carbon steel, carbon steel, alloy steel, etc.; Advanced inverter technology: Inverter frequency up to 100KHz ... .5*27535*285*385 Good performance MMA-250T DC inverter welder