This is a pack of three pairs of 5.5mm diameter "Super Bullet" Solid Gold Connectors from ProTek R/C. There are total of three female and three male connectors in the package. The ProTek R/C "Super Bullet" Solid Gold Connectors are an absolute must for high current / high voltage applications! With lower resistance than a typical Dean's style ultra plug and traditional spring-type bullet connectors, they are the new standard for brushless motor applications. They can be used for battery connectors or motor to speed control connectors and are an ideal power connector for devices such as battery chargers, and power meters.