Handheld Welding Machine, 110V Portable Welder with IGBT Inverter, 6 Adjustable Current Settings (20-120Amp). The FAHKNS 110V Handheld Welding Machine is a lightweight, portable welder featuring IGBT Inverter Technology for efficient performance. With 6 variable current settings (20-120A), it's ideal for welding rods from 1/16" to 1/8". Perfect for both DIY and professional use, it offers reliable output and durability. Compact design (5.5 lbs), IP21 protection, and a 20% duty cycle at 40°C.