The Buddy™ Tig 400i is an industrial-duty, fan cooled, inverter controlled power sources meant for TIG/MMA welding with professional welding performance. The Buddy™ TIG machines are capable of performing TIG welding with precise current control.  Select a TIG-torch to suit your needs, a gas regulator and a cylinder of gas. You can weld mild steel or stainless steel material with or without filler material.