The Futaba AEC-18 Heavy Duty Servo Wire Extension Cord is a durable and reliable accessory designed for RC model vehicles, specifically in a 1:8 scale. This 40''/1000mm extension cord is compatible with J-Series aileron servos from the renowned brand Futaba. Ideal for expanding the reach of your servo, this high-quality cord ensures a smooth and efficient connection for optimal control and performance during your radio control sessions.