Realth Tiny Disc Magnets Neodymium 0.16” x 0.08” 100 Pack Small Rare Earth Magnetic Mini Round Magnet for Science DIY Project Miniatures Magnetic Switch Teaching and Craft(MC100): Amazon.com: Industrial & Scientific
Mini Tiny Thin Small Rare Earth Neodymium Magnets - ALB Materials Inc
DIYMAG strong neodymium magnets with Holes, 80 pcs small rare earth magnets, disc countersunk hole magnets(Disc-8x3mm, Hole-3mm) - Walmart.com
20mm x 3mm Disc - Neodymium Rare Earth Magnet <ul><li>10 magnets</li><li>Pull Force: 10.55 pounds per magnet</li><li>SKU# M20x3mmDI</li></ul>