MIG/MAG/FLUX Welding, Can take up to 035(0.9 mm) MIG solid wire(Gas MIG). 035"(0.9 mm) MIG FLux wire(Gasless MIG), 035"/. MIG-250 PRO 3-in-1 multi-process synergic welder is powerful helper in welding, The IGBT inverter technology provides high power in a light, compact unit.