S3010 High Torque Ball Bearing Nylon Gear Standard Servo from Futaba - FUTM0043
The Futaba S3010 high torque ball bearing nylon gear standard is an excellent choice for 2000mm wingspan and larger airplanes, turbine powered jets, and 700 to 800 helicopters.  Exceptional torque for these size of aircraft.
Features:

Quality standard servo perfect for 2000mm wingspan and larger airplanes, turbine powered jets, and 700 to 800 helicopters
High torque, quality standard servo
One bearing pre-mounted on output shaft
One year warranty

Includes:

1x S3010 high torque ball bearing nylon gear standard servo

1x 1.4" (35mm) diameter round servo wheel
1x 1.5" (39mm) diameter 4 point servo wheel
1x 1.25" (32mm) diameter 6 point servo wheel
4x 2mm x 11mm phillips screws
4x rubber grommets & Four metal eyelets