Servo Hitec HS-45HB Manufacturer Hitec Applications Heli/Airplanes Type Analog Sub-Micro Torque 4.8V 13.9 oz/in (1 kg/cm) Torque 6V - Speed 4.8V 0.14 sec/60 degrees Speed 6V - Dimensions 23mm x 22mm x 10mm Weight 8g Bearing Top Ball Bearing Gear Type Karbonite