1. Toshiba Mosfet inverter technology 2. High frequency arc striking 3. Portable, compact size, light weight l High quality and stable performancel Applicable for welding carbon steel, stainless steel, steel alloy, copper and titanium etcl Two functions of DC TIG and MMA in one machine.l Advanced inverter (MOSTEF) technologyl High frequency arc starting, TIG easy operationl With special arc force ...