This is the Gear Set for the Hitec HS-322HD and 325-HB Servos.

FEATURES: Constructed of Karbonite, four time stronger than standard nylon gears

INCLUDES: First, second, third and final output gear and spacer

REQUIRES: Disassembly of servo  

BOX DIMENSIONS: 2.25" W. X .75" H. X 3.00" L. BOX WEIGHT: .01 LBS.