This is the HS-85MG Metal-Geared, Ball Bearing, Hi-Torque Servo from Hitec. The HS-85MG features a high power motor for greater speed and torque. Available in both resin and metal gear versions, the HS-85MG is the choice of modelers looking for a high performance servo without breaking the bank. The ball bearing supported output shaft and sturdy gear trains are great for unlimited sailplane flaps and ailerons.
