The Spektrum A6390 Standard Mid-Torque Mid-Speed Analog Servo is the perfect budget solution that offers a lightweight plastic gear train, a budget class leading torque rating of 66 oz/in and quick transit speed of 0.14/60. Single ball bearing output shaft and a robust composite plastic case offers durability you can depend on in your 60 size or smaller trainer and sport models. This part includes all the mounting hardware and three Heavy Duty plastic arms needed for your project.