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12Pc Super Strong Neodymium Magnet 1.26" x 1/8" NdFeB Discs, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
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Amazon.com: Homcosy Ultra Strong Mini Permanent Neodymium Magnets Super Magnets, 30PCS Magnets for Fridges, Magnetic, Whiteboard, Memo Board, Magnetic Strips(8x2.7mm) : Home & Kitchen