Product Description Product Name: CO2/MAG Semi/Auto Welder Product Description CO2/MAG Semi/Auto ARC Welder NB II(KRII)-200;NB II(KRII)-350;NB II(KRII)-500 1. Non-remote 3. Adjustment system; Convenient for beginner and practiced hand 4. Unique flip-flop integrated circuit control system; Stable voltage; Little spatter; Easy shaped 5. Suitable for aluminum, copper, stainless steel and carbon steel welding 6. HS KRII-630 with carbon are gpigomg fimction 7. Complete accessories: welding torch, welding cable, earth clamp, carton box