I think I'd go for this type: Use longer bolts and put the base plate inside the box, spreads to the load and to pull the bars off the box you either have to break two bolts or pull a big plate through the wall.
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@gbj_tester started
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I think I'd go for this type:
Use longer bolts and put the base plate inside the box, spreads to the load and to pull the bars off the box you either have to break two bolts or pull a big plate through the wall.
1 Attachment