Mobile Spot Welding Pen S71A for Sunkko 788 and 737 Series Welder, High Capacity Lithium Battery Pack Building and Weldi

S71A spot welding pen is designed for sunkko 788 and 737 series welders, when it used with 788 series, the maximum welding thickness is 0.12 mm, both for nickel plated steel and pure nickel; When the pen used with 737 series welders, the maximum welding thickness is 0.1 mm, both for nickel plated steel and pure nickel.
This welding pen can support up to 1200A of the current and 6 volts.
Easy install steps and convenient design.
Each package comes with a spare pair of copper welding pins.