DIY Spotwelder Accessory Pure Copper Handheld Spot Welding Pen without Needle for 18650 Battery

Features:
Lightweight and portable, stable and reliable, wear resistant and can provideslong service time.
Consist of silicone wire and copper solder pen, safe and can provided stableperformance.
Compacting by hydraulic tongs, can effectively reduce current loss, solid andwear resistant.
Multiple strands of high temperature silica gel wire with fine torsionalresistance ability.
Suitable for 18650 battery spot welding machine.
Note: you need to prepare the hydraulic tong by yourself for the follow-upwork.