This multi-function MIG welder also incorporates a MMA welder in the one unit. Using inverter technology, this unit will allow you to do standard MIG, pulse MIG and double pulse MIG welding, making it ideal for aluminium and copper as well as doing mild and stainless steel. With its easy to use digital display and synergic capabilities, this welder is ideal for both the hobbyist and professional alike. It uses the latest IGBT inverter technology with a 60% Duty cycle at MAX Amps for longer weld time. Features include AUTO HOT START, which allows for increased current at startup for faster ignition of the welding arc, ANTI STICK, a function that prevents sticking electrodes with welding material, and ARC FORCE, an automated system for stabilizing the arc regardless of its length. Weight: 31.96702799 pounds. Manufacturer: Autojack.