BX6 AC ARC WELDER Compact, light, portable top type transformer, step current adjustment Characteristic:1.single-phase,portable,fan-cooled,high duty cycle. 2.professional welder,step current adjustment,suit for electrodes. 3.We have two kinds of transforma, one is aluminum, two kinds of welding rate, copper is high than aluminum. 4.With complete accessories(optional):electrode holder,earth clamp, ...