(3) It can be used to weld pure gold, cobalt-chromium alloy, pure gold and cobalt-chromium alloy, pure titanium, and for orthodontic spot welding. (4) It boasts small size, safety and stability, convenient operation and maintenance-free. Features: - Automatic spot welding machine with digital display - Key advantages: circulating heat dissipation; intelligent adjustment; easy welding; arc starting - Safe and stable high-end multi-board machine: real material core construction, high-power operation of system machine; high durability and less failure - Premium tungsten alloy forging: high heat and small solder joint make it last for a long time - Simple and convenient to use: suitable for jewelry DIY; Can be used for platinum, gold, K gold, silver copper, stainless steel plate, cobalt chromium alloy, and pure titanium - Automatic spot welding machine with a complete range of well-made accessories - Multifunctional machine for hardware work-pieces, jewelry making, dental welding, and mold repair Specifications: - Input voltage/frequency: 220V/50Hz - Input power: 100W - Fuse: 250V/2.0A - Protection class: IP21 - Supply pressure: = 0.1Mpa - Welding voltage: 40V - Welding current: 50A-600A - Welding time: 3ms-30ms - Maximum welding frequency: 1Hz - Maximum argon consumption: 5L/min - Size: 155 x 280 x 235mm/6.1 x 11 x 9.3 (WxDxH) Package Included: - 1 x Main Unit - 1 x Welding Pen - 10 x Welding Pins - 1 x Loop Clamp - 1 x Hex Wrench - 1 x Pressure Gauge - 1 x User Manual - 1 x Holder Stand - 1 x Argon Gas Hose - 4 x Copper Chucks - 1 x Power Cable - 1 x USB Cable - 1 x Grinder. Usually it costs about 30USD-50USD.If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welders, Cutters & Torches\Spot Welders". The seller is "outstandingdeal" and is located in this country: CN. This item can be shipped worldwide.