It is suitable for Tarot 550/600 rc helicopter. The rod is designed with positive and negative threads. The length of the connecting rod can be adjusted without length, which leads to more accurate debugging standards. The servo lever is designed for positive thread and is easy to use.
H3.5MM positive and negative threaded rod (H x 49.4MM) x 2
Φ3.8 positive and negative threaded rod (Φ3.8x41.4MM) x 3