... Toshiba Mosfet The features of inverter dc TIG/MMA welding machine/welder is as follow:1.Advanced MOSFET inverter technology ... process, reliable and durable, easy for maintenance.3. HF pressure increasing arc initiation pulsation thermal arc initiation design, ... family use.12.Complete accessories: welding torch, welding cable, earth clamp, welding holder,carton boxTHE SPEC OF DC TIG/MMA welding machine