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![Customer Oriented Rotary Bottom Blocks (RBBs)](https://images.findtheneedle.co.uk/findtheneedle/companyimages/eed67d14-5cea-46aa-9270-6fe8e2b4622d.jpg)
The vast majority of modern hook blocks have a rotational element, however this process can be enhanced to offer additional funcationality:
For more information on Customer Oriented Rotary Bottom Blocks (RBBs) talk to Street Cranexpress Ltd
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