4.0mm Gold Plated Inline Connectors. These connectors are feature a 4mm diameter and work great for many applications, including making your own batteries. ProTek R/C is an AMain Sports & Hobbies brand. ...
6.5mm diameter Bullet Connectors from ProTek R/C. There are total of three female and three male connectors in the package. These are an absolute must for high current / high voltage applications! ...