The SW 15 ALU LAB model is a generator in apt continuous current DC for weld intense activities, of implantation of hinges from 3 to 8 millimetre above all on auto bodies in aluminum. Perfect for car repair body shops, heating systems, installation and maintenance works. It can stud on steel, stainless steel, galvanized steel, brass and aluminium without causing alteration to the opposing welding surface even if painted plastic – coated or galvanized.