... 5mm 2. Cost saving and efficiency improving, 3. With wire machine, and easy and considerable for operation, 4. High welding ... arcing success rate, 5. Continuous and discontinuous welding function, 6. Automatic voltage pulsation compensation capability, 7. Suitable for carbon steel, alloy ... wire, 8. Little spatter, uniform welding pool, good welding shape. Automatic MIG&MAG Spot welding hand machine