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20Pc Super Strong N52 Neodymium Magnet 1.26" x 1/8" NdFeB Disc Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
N52 Super Strong Neodymium Block Magnet 2x2x1/2” Flat NdFeB Rare Earth Rectangular Magnet for Science, Projects and Industries, 1-Count: Industrial Rare Earth Magnets: Amazon.com: Industrial & Scientific
CMS Magnetics Super Powerful N52 Neodymium Ring Magnet OD 2 x ID 1 x 1/4" w/ 46 LB Holding Power - Rare Earth Ring Magnet 1 Piece: Amazon.com: Industrial & Scientific
Super Strong N52 Neodymium Magnet 4 x 1/2 x 1/4" Bar, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
CMS Magnetics Disc Magnet Neodymium Grade N52 2" x 1" 212 LBS Pull School Home Science Industry 1 pack: Industrial Rare Earth Magnets: Amazon.com: Industrial & Scientific
CMS Magnetics® Grade N52 Super Strong Neodymium Magnet Ring OD1.26" x ID 1/2" x 3/8" - Rare Earth Magnet Ring for Classroom, Science Project and DIY Applications - One Pack: Amazon.com: Industrial
Amazon.com: Applied Magnets® 2" x 2" x 1" Grade N52 Neodymium Block Magnet : Industrial & Scientific