Main Features: 1) Sliding core transformer structure,delivering high power efficiency; 2) Stepless current adjustment; 3) Suit for serieswires ; 4) Single-phase,fan-cooling,thermostatic protection,color carton; 5) European design,advanced technology and perfect performance; 6) With complete accessories:electode holder with cable,earth clamp with cable,brush,protective mask,hammer,and power supply cable.