Servo Multi-Pack - 4 Pack of HS-82MG Metal Gear Micro Servos from Hitec - HRC32082S
The Hitec HS-82MG is a high quality 17g "size" analog servo with metal gears. It is a good choice for planes requiring a very reliable 17g servo that centers well and will not strip. 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:

Convenient servo four pack is perfect for balsa ARF models
Metal gears
Precise centering
Universal connector
Updated electronics

Includes:

Four HS-82MG Metal Gear Micro Servos
Four 0.67" (17mm) diameter horns
Four 1.1" (29mm) double arms
Four 0.90" (23mm) 4-point horns
Mounting hardware