<br />Reinforced the welding machine and the one that made of fiberglass with high quality plastic body. That maintain the integrity of your burn and trauma as possible with a metal body electric. Very good quality and provides a suitable thermostat temperature setting and not allow the temperature of unwanted spikes. The use of welding nozzles on the three heater save you time and provides the proper welding at each point of the application. Available with 220V plugs and 110V. And usually is included welding nozzles 4 to group, but can be included 50mm nozzle if necessary.