3 IN 1 Welder Inverter 140AMP PULSE ARC 110V 220V LIFT TIG MMA Portable. MMA140 Pulse Stick Welder. 9.45 x 5.31 x 12.2 inches. ARC/Pulse Stick/LIFT TIG Welder Machine. ? Precision Pulse Stick Welder. Integrates advanced precision pulse technology for meticulous heat control. Suitable for welding thin plates, pipelines, and various positions. ? Variable Pulse Frequency. Adjustable frequency from 1 to 5 for distinct welding effects. Lower frequencies for deep penetration, higher frequencies for precise finish. ?? 3 In 1 Welder. Seamlessly transition between ARC, Pulse Stick, and LIFT TIG welding. Compatible with various welding rods (1.6-3.2mm) including E7018 and E6013. Weighing just 7.41 lbs for power and portability. LCD display, dual-voltage adaptability (110V/220V), and automatic safeguards. Adjustable Hot Start and ARC Force for optimal welding. Suitable for stainless steel, low-carbon steel, copper, and cast iron. Inspect for loose or damaged parts before welding. Wear proper protective equipment and ensure good ventilation. ? What is Pulse Stick welding? Alternating current enhancement and reduction for precise heat control. Is it suitable for beginners? Yes, beginner-friendly with easy arc initiation and smooth welding. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.