Description: 【Feature】:Spot Welding DIY Kits,8 spot welding pen,10AWG wire, aluminum oxide copper spot welding pin, to ensure the capacity of excessive current and durability, greatly improving spot welding efficiency. 【Design】:Welding Machine Control Board,Thickened pure copper soldering pen design, combined with aluminum oxide copper spot welding pin, ensures high current passing capability and durability. The cold pressing process make the contact area of the pure copper joint large and reduce the internal resistance. 【Adjustable】: Spot Welder ,99 gear intelligent digital display spot welding machine, Double sided out of the line, easy to spot welding with a label, not easy to connect the wrong. 【Powerful Function】:5 MOS tubes, the total peak current can reach about 1700Awhich is more than enough to welding common 0.1mm-0.3mm nickels plate. 【Material】:Spot Welder Control Board is Made of high quality PCB material, strong and durable. Specification: Working voltage: 6.5V-16V Working current: