3-IN-1 WELDER: 3 welding modes Flux Core Gasless MIG/ Lift TIG/ MMA meet your different requirements (Need to buy extra Lift tig torch). Adjust the current and 10-speed variable feed controls for perfectly managed flux-cored welding of carbon steel, stainless or even thicker steel, Ideal for home DIY, outdoor repairs, rusty metal, farm and road equipment, and maintenance and repairs.