1,spot welding 2,220V/380V 3,water-cooling structure 4,adjustable welding time,easy welding repeated. 5, color available Specifications1.Low ... carbon steel, wire, stainless steel plate 3.easy welding repeatFeatures:*Low power consumption of main transformer*Easy operation ... with pedal-level type spring-press structure*Adjustable welding time, easy welding repeated*Suitable for low carbon steel, wire, ...