... ; 20-40A Output Current Range. LGK-40 Inverter DC arc plasma welding machineFeatures:Non-high frequency arc and easy portability.Advanced ... metal.Any curve cutting of sheet metal.Professional and excellent plasma cutting performance.Widely used in steel construction, manufacturing, vehicle maintenance ... (KG)8.7kgHigh voltaged striking LGK-40 Inverter DC Arc Plasma Welding Machine