Features Advanced Copper Bar Design: Thickened copper bar ensures rapid heat dissipation, enhancing durability and maintaining cleanlin for consistent performance Dual Spring Mechanism: Features independent retractable springs for force control, allowing for comfortable and efficient during welding tasks Enhanced Concentric Ball Pins: Equipped with specialized ball pins for superior functionality, this design is ideal for extended use without compromising quality High Efficiency : Engineered to minimize unstable welding and excive sparks, providing reliable performance for all your welding needs User-Friendly Handheld Design: This integrated spot welding pen is lightweight and easy to operate with one hand, for batch production tasks Features: 1、COPPER BAR: Integral welding pen adopts thickened copper bar, which can dissipate heat quickly, cleaned and protected by strong acid, beautiful and clean. 2、DUAL SPRING: The handle has double springs that can be retracted, and each welding pen is retracted independently, with moderate force control. 3、CONCENTRIC BALL PIN: Battery spot welding pen is equipped with a pair of concentric ball pins, with better use effect, suitable for long term work. 4、HIGH EFFICIENCY: Our spot welder pen will not have unstable welding, large sparks and low working efficiency, you can use it with confidence. 5、SIMPLE : Handheld integrated spot welding pen can be operated by one hand, suitable for batch spot welding production. Specification: Item Type: Spot Welding Pen Material: Red Copper, ABS Use: Suitable for industrial spot welding Work Voltage: DC4-12V Current: ≥800A Package List: 1 x Spot Welding Pen 2 x Concentric Ball Pin 2 x Spring 1 x Hex Wrench Package List 1 x Spot Welding Pen 2 x Concentric Ball Pin 2 x Spring 1 x Hex Wrench