Hitec HS-65HB Very High Torque "9g" Micro Servo - HRC33065S
The Hitec HS-65HB is a very high quality analog servo with extremely high torque. It is the most powerful servo in this size and weight. The HS-65HB has very long lasting "zero wear" Karbonite gears and a top ball bearing for very long life and perfect centering. This servo is very slightly larger than an average "9g sized" servo. The servo features a universal connector which works with nearly all receivers. It will fit Futaba J, Hitec S, JR, and Airtronics Z-type Connectors. See specifications tab for full specs.
Features:

Karbonite gears
Ball bearing
Universal connector
Extremely high torque

Includes:

One HS-65HB Micro Servo
One One-sided servo horn
One Two-sided servo horn
One Four-sided servo horn
Four M1.7x7 servo mounting screws
One M1.7x3 servo horn screw