400W/50A Electric Power Spot Welding Machine for Jewelry Voltage:220V/110V, 50/60HZ, If require 110V, pls make remark.Ampere:0-50A,Power:400W,Ampere for welding:0-50A,Continuous adiustable (Fluctuation),Weight:6kg,Size:300*170*225mm.Sparkle Welder can be used to weld: -alloys of precious metal existing of gold, silver, platinum and..