This compact DC Inverter TIG welder produces 155 Amps of output power and weighs less than 18 lbs. The MG-155 is perfect for welding mild and stainless steels from #14 Ga. to 3/16" found in automotive and light-industrial applications. Inverter design provides for portability and infinitely adjustable smooth power operation. Attach the electrode holder and weld thicker metals using 3/32" & 1/8" electrodes. Lift-Arc start is standard.