Servo Extension Leads / Cables
These are servo extension cables. They comes in very handy when your servo is further away from the controller than the wire on the servo allows. Male connector on one end goes to controller, female connector mates with servo. Fits all Hitec, Futaba, JR, Multiplex, and Airtronics Z servos.
You could also use these as a simple 0.1″ jumper cable.