ELECTRIC GOLD AND SILVER LASER MACHINE. Power Type Electric Usage/Application Industrial Model Name/Number ANMOL 20 Watt Laser Type Fiber Laser Material Gold, Silver, Brass, Metals etc Power 20Watt Brand ANMOL LASER Automation Grade Semi-Automatic Voltage 220 VAC Frequency 50Hz Speed 7000mm/sec 20 Watt Gold, Silver, Brass laser marking machine ring making and Bengal making and another type laser marking machine