5/8 x 1/8 Inch Neodymium Rare Earth Countersunk Ring Magnets N52 (20 Pack) - Liftsun Magnets Company
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
Super Strong Neodymium Bar Magnets with Adhesive Backing – Heavy Duty N52 Rare Earth Magnets with Epoxy Coating – Powerful N52 Neodymium Magnet 60 x 10 x 3mm: Amazon.com: Industrial & Scientific
Full Size Neodymium Magnets N52 Disc Round Super Strong Rare Earth Magnet Fridge | Gamer × Gamer (ゲーマーゲーマー)
Amazon.co.jp: Super Strong Neodymium Block Magnet, N52 Permanent Magnet Disc, The World's Strongest & Most Powerful Rare Earth Magnets - One Piece : DIY・工具・ガーデン
40x20mm Super Strong Neodymium Disc Magnet, N52 Permanent Magnet Disc, The World's Strongest & Most Powerful Rare Earth Magnets - Two Piece : Amazon.ca: Home