3 Pack of HBL665 High Voltage Brushless Titanium Gear High Torque Digital Cyclic Servos from MKS
The MKS HBL665 High Voltage Brushless Digital Servo is recommended for cyclic applications. The MKS HBL line of servos has been designed exclusively for high voltage applications making them a great match with an unregulated 2S LiPo battery pack. In addition, the HBL series of servo's are lightning fast, extremely strong and operate with little noise. The HBL665 is well suited to surface and aircraft applications, and is an excellent choice for all 600, 700, and 800 size RC helicopters.
Features:

Convenient three-pack of MKS servos is perfect for RC helicopter kits
Excellent choice for high voltage applications
Incredibly fast, strong and minimal noise
Aluminum body and titanium gears
Dual ball bearing output shaft
Water and Dust resistant case allows servo to operate in extreme environments

Ideal size, weight, and torque for 600, 700, and 800 RC helicopters

Includes:

Three MKS HBL665 Cyclic Servos
6 Servo arms
6 Mounting brackets
3 Sets of screws