1pcs N45 N52 40x20 hole 10 mm strong powerful Neodymium magnet Permanent Magnet 40*20 hole 10mm N52 magnetic - AliExpress Home Improvement
Neodymium Disc Magnet
2.5 in x 0.4 in x 0.2 in Strong Neodymium Magnet Block N45
CMS Magnetics® Super Strong Neodymium Magnets Ring N45 1-1/2"OD x 1.065"ID x 3/8" - Rare Earth Ring Magnet - Science Projects School and Magnetism Education: Amazon.com: Industrial & Scientific
N45 Neodymium Magnet 0.5x0.5x0.125 inch from Kevin H. Patterson on Tindie