Output Curent Re gulation. Energy-saving and stable heat dissipation, suitable for welding different metals, like stainless steel, alloy steel, carbon steel, copper, copper alloy, etc. Electron reactor control, stable welding, little splash, deep melting, excellent welding seam reshaping. Powerful enough to weld 0.8-2mm steel. SUITABLE WELDING- Welding machine for welding steel, stainless steel, nickel alloys, copper, brass and bronze etc(except aluminium). For DIY jobs and light duty small business projects. Quipped with the over-voltage protection, under-voltage protection, over current protection, overload protection design. 1 x Welder TIG200A – 1 x TIG torch – 1 x Welding Holder – 1 x Ground clamp – 1 x TIG Consumables – 1 x User’s manual. Note2: If you have any questions, please send us the messages first. Our customer service will contact you within 24 hours.