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 D1" x 1/8"(A) - Radial Magnets - We Know Magnets
MIKEDE 40X20mm Super Strong Neodymium Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets - One Piece: Amazon.com: Industrial & Scientific
LIQUIDATION - N45 3"OD x 3/4"ID x 1" Neodymium Rare Earth Ring Magnet Safe Magnets Neodymium
Giant Neodymium Magnet, 1" x 1" - Arbor Scientific