Telwin 350 amp AC/DC water cooled TIG welding machine with accessories. The Telwin 422 offers, high level of control over the welding parameters through easy use control panel. Microprocessor controlled HF (High Frequency) pulsed TIG and MMA welding machine, in DC (Direct Current) and AC (Alternating Current). Suitable for use with a wide range of materials such as Steel, Stainless Steel, Titanium, Copper, Nickel, Aluminium. With the ability to save jobs and quickly change between jobs using the control panel this machine is suitable for maintenance, and production welding to a high level.