Yokomo ZC-204517A Aluminum 17mm Clamp Servo Horn(25T Spline) for FUTABA 橫崛  [ZC-204517A]

Which in fact an aluminum servo horn that transmits servo movement more appropriate. Meant to match Futaba's servo shaft spline (25T), the region through servo manufacturing shaft toward center in regards to the pillow ball mounting starting through tip is 17mm. It is the perfect size for down road automobiles, drift cars, etc.