Detailed Product Description WSE Square Wave AC/DC Pulse Tig Inverter Welding Machine,WSE AC/DC Pulse Tig Inverter WelderFeatures Stable arc, beautiful welding ... weld mild steel, S/S, copper and titanium etc by DC function Be able to weld aluminum and aluminum alloy by ... AC function. ACCESSORIES: TIG torch, earth clamp, welding cable, brush/hammer, ...