DC 4-12V DIY Spot Welder Pen Handheld Automatic Welder
- 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.
- Beautiful Appearance: The appearance of the spot welding pen is beautiful and clean, and the heat dissipation is fast. It is suitable for assembling battery packs. All the brass bars are cleaned and protected by strong to ensure the brightness of the brass bars.
- Concentric Ball-Point Needles: This spot welding pen comes standard with a pair of Japanese concentric ball-point needles, which is effective.
- Battery Spot Welding Pen: battery spot welder pen, suitable for long‑term work, improve work efficiency, made of thick brass bar.
- Designed for: This spot welder pen is suitable for industrial spot welding, convenient, and strong.