Servo Hitec HS-5085MG Manufacturer Hitec Applications Heli/Airplanes Type Digital Micro Torque 4.8V 42 oz/in (3 kg/cm) Torque 6.0V 49 oz/in (3.5 kg/cm) Speed 4.8V 0.17 sec/60 degrees Speed 6.0V 0.13 sec/60 degrees Dimensions 30mm x 30mm x 13mm Weight 23g Bearings Top Ball Bearing Gear Type Metal