Tactic TSX35 Standard Sport Servo FEATURES: Ideal servo for throttle control on glow engines and other applications that do not require a lot of speed and torque Universal receiver co INCLUDES: Tactic TSX35 Standard Sport Servo 1.4 (35mm) diameter Round Horn 1.5 (38mm) 4-Point Horn 1.2 (31.9mm) 6-point horn 1.8 (45mm) Double Arm