1. There is no gap between the bean body to prevent the wire body from being entangled 2. High concentricity, more sensitive wire group with small water resistance 3. Made of silicone material, the locking thread is tighter and not easy to damage the thread 4. New appearance design, both ends are flat to reduce impact resistance. 5. The hard steel wire ensures that the wire hole is tight, which can effectively reduce the probability of assembly failure
