Feeding Roller : HZXVOGEN gasless flux cored wire welder has two wire feeding wheels 0.6/0.8 and 1.0/1.2. 2.5/3.2/4.0 acid electrodes (such as 6018/7013 electrodes). Synergy All in One : Support MIG MIX, MIGCO2, MIG WITHOUT GAS LIFT TIG, MMA.