How about this for storage/shelving?

how is the board attached to the wall that holds the chains/strap/block n tackle?
The 4x4 is 12 inches long. That one has 2 bolts through it secured with nuts on the outside. The 2x4 has 4 inch wood screws attaching it to the 12inch. That keeps it off of the wall allowing me to hang the chains.

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