Smarter Tools MIG-140H 120V Solid Wire and Flux Cored Welder Wide 20 - 140 amp welding output range Mig weld up to 3/16 in. Sheet metal in a single pass and up to 5/16 in. Steel with multi-pass flux cored welding Fully adjustable drive system reduces the chance of wire tangling and crushing Simple dual knob controls are easy to set for both flux cored welding and gas-shielded mig welding.Forgiving arc makes dialing in your application easy. Smooth arc start with minimal splatter Weight: 51 lbs