Servo Futaba BLS351 Manufacturer Futaba Applications Heli/Airplanes Type Brushless High Torque Torque 4.8V 168 oz/in (12 kg/cm) Torque 6.0V 210 oz/in (15 kg/cm) Speed 4.8V 0.16 sec/60 degrees Speed 6.0V 0.13 sec/60 degrees Dimensions 41mm x 38mm x 20mm Weight 62g Bearings Dual Ball Bearing Gear Type Metal