Features: Applicable For Fast Welding Of Platinum, Gold, Silver And SteelSpot Welder Is Mainly Used For Welding Gold And Silver Necklaces, Earrings And. Other Ring Closure, It Does Not Apply To The Pieces Of Work-PieceUsed High Frequency Discharge PlasmaAdjust Output Power According To Different Size Of WireFoot Pedal Control, Easy To Use. Features of 80A Jewelry Spot Welding Machine Features of 80A Jewelry Spot Welding Machinel Spot Welder Is Mainly Used For Welding Gold And Silver Necklaces, Earrings And. Other Ring Closure, It Does Not Apply To The Pieces Of Work-Piecel Used High Frequency Discharge Plasmal Adjust Output Power According To Different Size Of Wirel Foot Pedal Control, Easy To Use. Operation steps Packages: 1 x Main Unit 1 x Power Cord 1 x Foot Pedal 1 x Set Accessories 1 x Manual Notice: Cannot Put Foot On Switch For Long Time, In Case Of Burn Internal Circuit 3. Please Caution The Flash While Using, It's Bad For Eyes 4. Maintenance Must Be Professional Worker, High Voltage Is Dangerous