2/4/6/8/10Pcs SG90 9G Micro Servo Motor Gear For Airplane Helicopter Boat Robot
2/4/6/8/10 Pcs SG90 Gear Micro Servo（choice your want size Specification）. Item weight: 9g. This is a servo motor, and its working principle is to rotate and move within a set angle range! With 3 sets of servo horns and fittings.