Hitec HS 40 Economy Nano Servo

This is the Hitec HS40 Economy Nano Servo.  FEATURESIdeal for micro airplane, sailplane, and helicopters Slightly larger than the Hitec HS-35HD servo High impact nylon gears Coreless motor Long life potentiometer INCLUDESHS40 Servo with 0.67" (17mm) 4-point horn, 2.2" (55mm) Double Arm Horn, 1.2" (31mm) Double Arm Horn, 1.1" (28mm) Double Arm Horn extra Servo Horn Screw, Two 1.5x7mm Mounting Screws SPECIFICATIONS4.8V Speed: 0.09 sec/60° Output Torque: 0.6kg/cm (8.4oz/in) Weight: 4.8g (0.17oz) Size: 0.79 x 0.34 x 0.67" (20 x 8.6 x 17mm)