This is a Heavy Duty Futaba J-Series 1000mm 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. / / FEATURES: Connectors slide snugly together to guard against vibrating loose. / Heavy 20-gauge wire handles higher current loads with ease. / / INCLUDES: One Heavy Duty Futaba J-Series 1000mm Servo Extension / / SPECS: Wire Gauge: 20 / Length: 38-5/8" (1000mm) (between terminal ends) / Wire Color Codes- / Black: negative / Red: positive / White: signal (polarity tab is on the signal side) / tjt 111102 / ir/kh