... DC TIG and MMA,cheap but good HF ARC-starting,TIG welding lightly With function of Arc force adjustment Main Characteristic: Two functions of DC TIG ... and MMA,cheap but good HF ARC-starting,TIG welding lightly With function of Arc ... metal etc Be able to use all kind of welding rod,such as acid and basic rod arc ... -sarting HF HF HF HF HF HF TIG 160A welding machine