71A battery Spot Welding Pen Y Type Interface 18650 Lithium Batter Welding Suitable For Personal DIY Pulse Spot Welding Pen

Independent sets, convenient for transportation and assembly; All low-resistant oxygen-free copper materials, discharge point welding is stable Removable tip style for easy replacement of seams of different sizes; Anti-slip sets of professional pen-shaped handle for easy grip; Built-in pressure balance elastic method of discharge spot welding excellent;