Sail winch servoSize: 58x28x52mmWeight: 112gTorque: 11.0kg-cmSpeed: 0.8 sec/360oTurns: 3.5 rotations ( 1 rotation=360 degrees)2 bearings, carbonite gears, sealed waterproof/dustproof case. Suitable for 420mm stringReplacement servo winch for the Beili...