![Gold Plated Beryllium Copper Spring Gold Plated Beryllium Copper Spring](https://lumencraft.com/518-large_default/gold-plated-beryllium-copper-spring.jpg)
![Gold Plated Beryllium Copper Spring Gold Plated Beryllium Copper Spring](https://lumencraft.com/518-large_default/gold-plated-beryllium-copper-spring.jpg)
Base diameter: 11mm, Height: 5mm nominal, Line thickness: 1mm Copper core
Gold plated surface
Very low resistance, ideal for high current applications. This spring is good for 18650 size cells, I also use it to soldered to the base of a maglite switch for a battery + contact for 26650s.