Product Overview Get the benefit of wire welding without the hassle of gas. The Flux 125 Welder is a versatile flux core arc welder (FCAW) specifically designed to use self-shielding flux-cored welding wire. This eliminates the need for gas and regulators that normal MIG welders require. Set-up is easy for gasless flux-cored welding. With variable-speed wire control and thermal overload protection, this flux wire welder provides dependable performance in a compact, lightweight package. The Flux 125 welder can weld mild steel from 18 gauge up to 3/16 in. thick, which makes it ideal for jobs around the yard, shop, or house. The perfect welder for outdoor use and on dirty metals Output up to 125 amps Best in class duty cycle: 90A AC @17V, 20% Shielding gas NOT required - no need to buy gas bottles or regulators Trigger-activated gun prevents accidental arc flash Compact, portable, and lightweight - weighs just 38 lb.! Continuous wire feed speed control for optimal welding performance Built-in overload protection to prevent overheating