This is the 1st Gear Set for the HS-5565MH Servo, HRCM5565
and the HS-5585MH Servo, HRCM5585.

FEATURES: Steel and plastic resin construction
Replaces broken or worn 1st gear

INCLUDES: Four 1st gears for the Hitec HS-5565MH and HS-5585MH servos