HS-225BB Ball Bearing Mighty Mini Servo from Hitec - HRC31225S
The Hitec HS-225BB represents a good value with performance that rivals other larger and more expensive servos. Ideal for applications that call for a small, lightweight, high speed, high torque servo, the HS-225BB high performance mini servo features a top ball bearing and is built with state-of-the-art SMT technology.
Features:

Mini servo with ball bearing and plastic gears
Great for small planes and hand launch gliders

Includes:

One Hitec HS-225 Ball bearing mighty mini ball with universal connector
1 Straight horn 1 X horn
1 Adjustable arm
4 Black rubber grommets
4 Brass servo eyelets
4 Servo mount screws