TLL Portable MIG Welder Handheld 120A 110V, Hand Held Welder Gun, Gasless Flux C. Ready right out of the box! Gasless MIG Welding – Runs on flux-cored self-shielded wire (E71T-GS/E71T-11), eliminating the need for gas cylinders and making outdoor and portable welding simple and cost-effective.