Prop Adaptor: UMX Beast, Champ S+

E-flite Prop Adapter: UMX Beast, Champ S+, F4F Wildcat, Waco EFLU4067 is compatible with BLH03250, EFLU3250, EFLU3450, EFLU3650, EFLU4080, EFLU4250, EFLU4580, EFLU4850, 

EFLU5050, EFLU5080, EFLU5250, EFLU5350, EFLU5950, EFLU6150, HBZ5400, HBZ5480, HBZ5480EU, PKZU2280.a