Said they can hold 35 lbs and show work light on the bar with just one magnet. I bought them for the same, and no matter what shiny smooth beam I try, it's 100% iron, it doesn't need a £1 LED light. Either they sent me the wrong fort or the seller is lying. I have other magnets that I have found and they work better than this product. No stronger than a fridge magnet.
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