DIY Spot-Welders Pen Handheld Integrated Spot Welding Machine Mini Automatic Trigger Welding Accessory

Features:
Made of fine quality metal material, has high performance and long service life.
Adopts thick copper bar,helps to improve work efficiency.
Integrated design, looks neat with fine heat radiation effect.
With dual springs on the handle, each welding pen can expand and contract independently.
Built-in limit switch, one hand operation, do not need foot pedal.
Comfortable hand feelings, supports long time use, stable and reliable, wear-resistant and effort-saving.
Suitable for assembling battery-packs.