Neodymium Rare Earth Disc Magnets- 10mm x 5mm (.39" x .20") Grade N52 Highest Grade Package of 2 Nickel Coated-Ultra Powerful 14k Gauss - 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
Neodymium Magnet Disk N52 D3/8" x 0.1"(A) - Radial Magnets - We Know Magnets