Integrated Spot Welder Kit, Black Hand‑held DIY Adjustable Welding Pen, Mini Automatic Trigger for 18650 Battery Dc 4 12v

➤Thicken Copper Bar: 18650 battery spot welder pen, and the heat dissipation is fast. suItable for long‑term work, improve work efficiency, made of thick brass bar. ➤Industrial Spot Welding: It is suitable for assembling battery packs. All the brass bars are cleaned and protected by strong acid to ensure the brightness of the brass bars. ➤Expand Double Springs: The handle of this spot welding pen has double springs to expand and contract, both of which can be independently expanded and contracted with moderate force control. ➤Package List: includes1 x Spot Welding Pen,2 x Concentric Ball Needle, 2 x Spring, 1 x Hex Wrench. Convenient, durable and strong. ➤With Premium Pins : A pair of Japanese concentric ball head pins are provided as standard, and the use effect is good., Manufacturer: Hilitand