HV9780 Titanium Gear High Voltage Tail Servo from MKS
This is the MKS HV9780 High Voltage Titanium Gear High Speed Digital Micro Helicopter Tail Servo. With features that include a titanium alloy gear train, an aluminum center case, as well as an aluminum upper and lower case, this servo is practically bomb proof. The HV9780 High Voltage servo provides impressive reaction, speed and torque that makes it an excellent tail servo.
Features:

Titanium alloy gear train
Aluminum center, upper and lower case for excellent heat dissipation
Impressive reaction, speed and torque
High voltage
Perfect size, weight, and torque for 500 size RC helicopters

Includes:

MKS HV9780 Tail Servo
Servo horns
Mounting screws