A metal hardware set designed to extend and connect motor shafts for small boats and custom builds. It serves as a motor extension shaft for mounting propellers on small RC boats. Features a blue aluminum alloy propeller hub and a black threaded steel section. Equipped with an M5 self-locking nut and a silver metal shaft end to prevent loosening during high-speed operations. Suitable for hobbyists and custom builders needing extra shaft length and stability.
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