The Smarter Tools MIG-125 Welderis the perfect choice to do projects and repairs around the home, farm and auto body shop. This MIG welder will produce a cleaner bead with less splatter than a regular flux core wire welder. The welder runs off of a standard 120 volt household outlet and produces an output range of 20-125 amps. It uses standard flux-core wire (E71-GS) or steel wire 0.6mm, 0.8mm in diameter and has 4 heat settings to easily adjust the output according to the thickness of metal you are welding. The welder can easily switch between gas-less flux-cored welding for deep penetration on thick steel or gas-shielded MIG welding on thin-gauge steel, stainless steel or aluminum.