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. Compatibility: Fits various models including WL12428-ABC, FY-01 to FY-07, and more for versatile use.
