The Flextec 650X Multi-Process Welder from Lincoln Electric gives operators full functionality and control at the arc without an added control cable, according to the company. The Flextec 650X is rated at 650 amps, 44 volts at 100 percent duty cycle. It delivers up to 815 amps for heavy applications or stable arc at low currents for MIG or TIG welding on thin materials. The 650X is IP23 rated and Desert Duty rated for extreme temperatures.