... Detailed Product Description CT-312 TIG/MMA/CUT/Welding Machine/Cutting Machine1. Suitable for TIG,SMAW, cutting ... , exclusive product, multi functions in one machine; 2. Electronic function shift, easy to operate, ... TIG, stable current, concentrated arc, suitable for welding of arious metals; 4. SMAW for 2.5 ... Inner Diameter Of Burner---- 1.0mm Air Pressure----0.4MPa Rate Of Flow2.5L/min-- ...