This is a pack of three pairs of 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! With lower resistance than a typical Dean's style ultra plug and traditional spring-type bullet connectors, these connectors set the 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 any high current application.