Massive hook block.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...k_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...hook_block.jpg
More: https://cranenetworknews.com/sarens-...0-giant-crane/
Previously:
https://www.homemadetools.net/forum/...456#post122523
https://www.homemadetools.net/forum/...690#post139842
https://www.homemadetools.net/forum/...804#post137015
https://www.homemadetools.net/forum/...082#post130059
https://www.homemadetools.net/forum/...024#post115213
