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 provides long service time.
Superior copper solder pen, safe and can provided stable performance.
Compacting by hydraulic tongs, can effectively reduce current loss, solid and wear resistant.
Suitable for 18650 battery spot welding machine.
There are two kinds of sets for you to choose, you can choose according to your demands.
Without wires: comes with soft tube, 125℃ high temperature resistance, VW-1, DRS(8/4).
With wires:
Multiple strands of high temperature silica gel wire with fine torsional resistance ability.
The length of 16 square and 25 square is approx. 620mm, and the length of 35 square is approx. 750mm.
Note: The needles are not included and you need to prepare the hydraulic tong by yourself for the follow-up work.