MIG Welder, Handler 140, Welding Processes MIG/Flux Core, Input Voltage 120VAC, Welded Material Mild Steel, Aluminum and Stainless Steel, Mild Steel - Material Thickness 24 ga. to 1/4 In., Portability Handheld Portable, 1 Phase, Aluminum - Material Thickness 16 to 11 ga., Stainless Steel - Material Thickness 18 to 11 ga., Rated Output 90A @ 18.5VDC, Duty Cycle 20 Percent, 60 Hz, 20 Input Amps, Output Range 25 to 140A DC, Wire Size 0.024 In. to 0.035 In., Flux 0.035 In., Overall Height 12-3/8 In.