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400W Mini Spot Welder Gold Silver Jewelry Laser Welding Machine with Handle Tool 110V DX-50A
Installation Connecting electrode, black wire to black connection (ground/cathode), red wire to red connection (positive /anode) Connect argon gas through the argon gas pressure reducing valve; adjust the gas pressure reading to the minimum Tungsten needle can be sharpened by grinding on the grinding wheel, or with the use of a Fordham flex shaft or dremal tool and an abrasive disk (note that you should not use a wheel previously used to grind iron/steel as this will contaminate the needle and cause an uneven spark and/or weld results) When installing the tungsten needle, please insure that the needle is approximately 5mm out from the welding

Price is $279.00
Price: $278.99