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

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

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.

Shackle is a kind of sling, which is widely used in various industries such as electric power, metallurgy, petroleum, machinery, railway, chemical industry, port, mining, construction and so on.

The shackle should be smooth and flat, and no defects such as cracks, sharp edges, overburning, etc. are allowed.