This is the Gear Set for Hitec's HS-75BB Servo, HRCM1008.

FEATURES: White in color Nylon construction

INCLUDES: Four gears One spacer

REQUIRES: Installation into servo

COMMENTS: Instructions are not included  

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