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hook block

Hook block complies with API 8C standard.

Joining traveling block and hook together reduces overall length and can help satisfying the requirements of top drive operation.

The hook block is equipped with the reliable safety devices on the main hook.

The main parts are made of high strength alloy steels and are subjected to nondestructive testing.

The sheave grooves have been intermediate frequency quenched, which can improve the hardness of the surface, the wearness, and the service life.