Super Strong Neodymium Disc Magnets, Powerful N52 Rare Earth Magnets for Fridge, DIY, Building, Scientific, Craft, Office Magnets- 1.26 inch x 1/8 inch (12): Amazon.com: Industrial & Scientific
10Pc Super Strong Neodymium Magnet 1.26" x 1/8" NdFeB Discs W/ Red dot to indicate North Pole, the World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial &
DIYMAG 40x20mm Super Strong Neodymium Disc Magnet, Permanent Magnet Disc, The World's Strongest and Most Powerful Rare Earth Magnets - One Piece: Amazon.com: Industrial & Scientific