... duty cycle 2. Portable,energy save 3. Stbale performance DC inverter TIG welding machine, 2 in 1, 60% duty cycle, single-phase, ... portable, fan-cooled, movable welding cable, thermostatic protection, starting arc with ... . Stepless current adjustment, widely used, suit for TIG/MMA welding.Electrode diameter 1.6-4mm. With complete accessories ...