Power HD Analog Standard Size Extra High-Torque Servo 1501MG
The HD-1501MG is a great high-quality, standard-size servo that featuresmetal gears and two ball bearingsand can deliver a tremendous amount of torque for a servo this fast. A replacement for the Power HD HD-2550A, it represents a significant performance upgrade for an even lower price. The picture below shows the hardware included with this servo. You can find more information about this servo under the specifications tab.