1:87 / 1:64 Universal RC Coupling Adapter – 2mm Miniature Joint for Static & Remote-Control Modifications

Type A 2mm universal joint has through holes on both sides, and the spare parts need to be assembled by yourself., Type B 2mm universal joint has a shaft on one side of the through hole, and the spare parts need to be assembled by yourself., Type C 2mm universal joint, telescopic universal joint, hexagonal shaft hexagonal hole spare parts need to be assembled by yourself, Type D 1.5mm universal joint has through holes on both sides, and the spare parts need to be assembled by yourself.