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Title: Not as strong as it says.
Review: I bought these to hang a 16" x 48" piece of 1/8" mirror plexi to a metal wall. I put twelve of these squares on the back. I do not know how much the mirror weighs, but it cannot be more than two or three pounds at the very most. Twelve of these keep the mirror in contact with the metal, but it slides down the wall until it touches the floor. I am now shopping for different magnets. This says that they hold 1/2 pound. Take that information with care. Not BAD magnets, but not as strong as the information here seems to imply.
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