Easy Mig 140 Wire Feed Welder, Flux & Mig Welding Capabilities, Aluminum Welding Capable With Optional Spool Gun, Not included, Requiring Common 120V Input Power, Can Be Used Almost Anywhere With Simple 2 Knob Tapped Control, Easy To Set Up For Gas Less Flux-Cored Welding For Deep Penetration On Thicker Steel Or Gas Shielded Mig Welding On Thin Gauge Steel, Stainless Or Aluminum.