Item Type: Spot Welding Pen_x000D_ Material: ABS, brass_x000D_ Uses: Suitable for industrial spot welding_x000D_ Working Voltage: DC4-12V_x000D_ Current: 800A 1A pair of Japanese concentric ball head pins are provided as standard, and the use effect is good. 218650 battery spot welding pen, suitable for long?term work, improve work efficiency. 3Made of thick brass strips, beautiful and clean appearance, the overall brass strips, heat dissipation quickly. 4Very suitable for use in assembling battery packs, all brass bars are cleaned and protected by strong acid to ensure the brightness of the brass bars. 5The handle is retractable with double springs, each soldering pen is independently retractable, and the strength is moderately controlled.1 x Spot Welding Pen2 x Concentric Ball Pin2 x Spring1 x Hex WrenchThis does not require a power supply, just connect the positive and negative poles of the output end of the spot welding pen to this welding pen and you can use it._x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering._x000D_ This product is only a spot welding pen, without spot welding machine.