RC Boat Steel ??4mm*??5mm*24mm U-Joint

??2.3 x ??8 x L25mm RC Boat Steel Flex-shaft Drive Cable Shaft Collect

??3 x ??4 x ??2.5 x ??8.5 x L18mm RC Boat Steel Metal Drive Cable Shaft Collet - Red

??4 x ??5 x ??2.5 x ??10 x L17mm RC Boat Steel Metal Drive Cable Shaft Collet - Blue

RC Boat Aluminium Φ5.0mm x Φ6.0mm x 53mm China Zenoah Engine Connector

RC Boat Steel Φ3.1 x Φ4 x L23mm Flex-shaft Drive Cable Shaft Collect