Features and Benefits: A favorite for use in heavy maintenance, fabrication and scrap metal, this machine delivers clean cuts on most 3/4" metals including stainless steel, aluminum, mild steel, copper or brass, with minimum heat input and distortion of metal. It also cuts through rusted, painted or coated surfaces without prior surface prep. The inverter based technology operates on standard 230 Volt, single or 3-phase power. Simply connect to an air compressor or other air source, and this system is ready to cut. Inverter based - reliable Light and portable - easy to relocate to work areas One Torch cutting head - comfortable, easy to replace worn parts 20 ft. lead - get to the hard to reach areas Starts without high frequency - no interference with computers and controls.