This is the Futaba Standard Size Ball Bearing High Torque Servo.
This servo can produce high-current draw from your batteries.
If using NiMH or NiCd batteries, make sure they are capable of delivering approximately 2A for each servo.
Ideal for high-torque applications requiring a standard size servo Universal connector fits Futaba, Hitec, JR, KO Propo, Airtronics Z, and Tower Hobbies. Does not fit old Airtronics A plug w/out adapter Nylon gears One bearing pre-mounted on output shaft.