TBS FOLDING PROP SETEverything you need to mount a folding propeller to a 6mm reverse mount motor shaft (e. g. Hacker or OS OMA motors). The propeller is included too, obviously. Everything you need to mount a folding propeller to a 6mm reverse mount motor shaft (e. g. Hacker or OS OMA motors). The propeller is included too, obviously. CONTAINS TBS propeller mount Aeronaut CAM 10x6 Folding Prop Delrin Prop Stop All required screws & bolts COMPATIBLE WITH TBS CAIPIRINHA II