This Spot Welding Pen is a versatile and efficient tool for all your spot welding needs. Crafted from durable aluminum-copper alloy, this handheld welder boasts a fine workmanship that ensures precise and reliable performance with every use. With an automatic trigger and a compact design, it is easy to use and perfect for welding 18650 batteries with speed and accuracy. Available in Blue, Black, or White color options, this pen is not just a tool, but a reliable companion for your spot welding projects. Say goodbye to errors with its integrated design that guarantees seamless operation when used alongside a spot welding machine. Get your hands on this high-quality Spot Welding Pen now and experience the ultimate convenience in spot welding.