Applicable models: For WLtoys 12428-ABC, 12429, 12423-ABC, for Feiyue FY-01, FY-02, FY-03, FY-04, FY-05, FY-07，for JJRC Q39 Q46 ，for Haojun 8830. 1 Connecting rod fastener R+L. Precision Fit: Designed to exact specifications for seamless integration with compatible models.
