-Adopt thick copper bar, help enhance the working efficiency, and suitable for long service time.
-Integrated design, beautiful and neat, with fine heat radiation effect.
-There are 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.
-With comfortable hand feelings, can support long time use, stable and reliable, wear resistant and effort saving.
-Suitable for 18650 battery spot welding machine.