Millermatic(R) 211 MIG Welder With Advanced Auto-Set(TM) 951603 The Millermatic(R) 211 Advanced Auto-Set(TM) with running gear and cylinder rack is a multi-voltage, 230 amp portable MIG welder that runs on both 120 volt and 240 volt input power. The inverter design of the Millermatic 211 means it draws less power, has a superior welding arc and weighs up to 40% less than other MIG welders in its class. The Millermatic 211 weighs only 38 pounds and is capable of MIG welding mild steel up to 3/8 inch thick. It features Advanced Auto-Set, which eliminates the guesswork of setting voltage and wire feed speed for your MIG welding application. Simply select the material thickness and wire diameter while the welder is in the Auto-Set mode, and you are ready to weld. The Advanced Auto-Set control automatically sets your welder to the proper parameters. It is available when welding mild