Inverter DC TIG Welding Machine 400 Amps provides fast travel speed with great arc concentration & low heat output. It is known for having improved TIG starting with high frequency arc ignition. This machine is highly appreciated for having user friendly controls to assure better current & voltage adjustments. Inverter DC TIG Welding Machine 400 Amps is also provided with overheating, overload, overcurrent, & overvoltage protection. It is also admired for producing precise weld joint with less metal distortion.