Features Japanese Concentric Ball Head Pins: Enjoy enhanced performance and precision with included high-quality pins, ensuring effective and reliable welding results Long-Lasting 18650 Battery: Designed for extended use, this tool boosts your work efficiency, allowing you to tackle projects without frequent interruptions Brass Construction: Featuring thick brass strips for superior heat dissipation, this pen combines aesthetics and functionality in one sleek design Ideal for Battery Pack Assembly: ly suited for assembling battery packs, the brass components are treated for optimal brightn and resistance Adjustable Retractable Handle: Experience customizable control with independently retractable handles, providing comfort and strength during soldering tasks Features: 1、A pair of Japanese concentric ball head pins are provided as standard, and the use effect is good. 2、18650 battery spot welding pen, suitable for long？term work, improve work efficiency. 3、Made of thick brass strips, beautiful and clean appearance, the overall brass strips, heat dissipation quickly. 4、Very suitable for use in assembling battery packs, all brass are cleaned and protected by strong acid to ensure the brightn of the brass . 5、The handle is retractable with double springs, each soldering pen is independently retractable, and the strength is moderately controlled. Specification: Item Type: Spot Welding Pen Material: ABS, brass Uses: Suitable for industrial spot welding Working Voltage: DC4-12V Current: ≥800A Package List: 1 x Spot Welding Pen 2 x Concentric Ball Pin 2 x Spring 1 x Hex Wrench Note: This does not require a power supply, just connect the positive and negative poles of the output end of the spot welding pen to this welding pen and you can use it.betweendiv>betweendiv>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.betweenbetweenbetweendiv>This product is only a spot welding pen, without spot welding machine.betweenbr>between Package List 1 x Spot Welding Pen 2 x Concentric Ball Pin 2 x Spring 1 x Hex Wrench