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Title: good concept, incomplete design
Review: I purchased mine for $5 at a clearance bin at one of those big hardware outfitters. A great price considering it started off at $30.The concept of a magnetic base was great but the magnet is too weak to hold itself up, even on a sheet of iron. It could've been really usefull with a stronger magnet for leveling a row of server cabinets in a computer datacenter and I guess I'll try to retrofit a stronger magnet in it.I haven't given the pinhole mounts a try yet but since you have to make a hole in the drywall, it's probably best suited for shelving a garage or a project basement or toolshed.I couldn't go wrong for the price but if it just had a stronger magnet I would have given it 3 stars.
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