These Onisiki 3.5mm gold-plated metal bullet connectors are designed for use with brushless motors and ESCs in RC vehicles. The male plugs feature a slotted spring design for a secure, low-resistance connection, while the female sockets use a ridged grip body for easy handling during plugging and unplugging. This set is a reliable replacement or upgrade option for any build requiring standard 3.5mm bullet-style motor connectors. Features: 3.5mm bullet connector size Gold-plated metal construction Slotted spring male plugs for secure fit Ridged grip female sockets for easy handling Compatible with brushless motor and ESC wiring 7/7/26 cs