TIG/MMA Welding Machine TIG250ACDCFeatures: 1, Digital display,2T/4T trigger.AC/DC,current can be adjusted by pedal control 2,Be able to weld carbon steel,stainless steel, copper, titanium and non-ferrous metal with DC TIG,aluminum alloy welding is available by AC function 3, Small size,light weight,low noise Main Technical Parameter: Item\ Model