This is a heavy duty Futaba J-series 500mm servo extension. This extension goes between the receiver and the servo to make the wire longer. On one end of the wire is a male connector and on the other end of the wire is a female connector.
Includes: One Heavy Duty Futaba J-Series 500mm Servo Extension
Wire Gauge: 20
Length: 20-7/8 (530mm) (at ends of connectors)
Wire Color Codes
White: signal (polarity tab is on the signal side)