This is a 6" Pro Series Servo Extension with Futaba J Connectors. This extension goes between the receiver and the servo to make the wire longer. One end of the wire has a male "J" connector, the other end has a female "J" connector. FEATURES: Pro Series heavy-duty radio accessories. New, custom-designed connectors offer extra flight insurance with a secure "click-lock" feature that guards against connectors vibrating loose. Gold-plated terminals improve conductivity and prevent oxidation for longer lifespan. Heavier, 20-gauge wire handles higher current loads with ease. YOU WILL RECEIVE: One 20AWG, 6" Long Pro Series Servo Extension w/ J Connectors SPECIFICATIONS: Wire Color Codes: Black=Negative, Red=Positive, White=Signal. The Polarity tab is on the Signal side. JAL 9/13/00 ir/jl &