ESAB Tradestig AC/DC 161i is a versatile welding machine suitable for MMA, AC, and DC TIG welding. It offers a wide range of features for precise and efficient welding, including adjustable AC frequency and balance control for AC TIG welding, allowing you to fine-tune your welds for different materials and applications. The 161i also boasts an impressive duty cycle of 35% at 160 amps, enabling you to tackle demanding welding tasks without overheating the machine.