DIYMAG Super Strong Neodymium Fishing Magnets, 500 LBS(227 KG) Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 2.36 INCH(60mm) for Retrieving in River and Magnetic Fishing: Amazon.com: Industrial & Scientific
Super Strong Magnets – Benzie Design
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
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 &
Deago 40x20mm Super Strong Neodymium Rare Earth Disc Magnet, Permanent Magnet Disc, N52 Most Powerful Round Magnets - One Piece - Walmart.com
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