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Before using the shackle, carefully check its bearing capacity, whether the appearance is deformed or damaged, and whether the connection part is intact to prevent problems.

The rust of the manual lever block hook will reduce the safety of the operation and shorten the service life of the hook.

The manual lever block is a kind of manual lever block that is easy to use and carry.

Take Japan's powerful hand winch as an example. It relies on the automatic brake to realize the self-locking of the hand winch, and the automatic brake adopts a double locking mechanism, which will not cause an impact on the brake arm without braking, so we mainly introduce it The double locking mechanism. The double locking mechanism is composed of a special reel to keep additional maintenance windings and our unique wire rope anchor plate to ensure safety and stability.