https://www.techtronic.site/diymag-powerful-neodymium-disc-magnets-with-double-sided-adhesive-strong-permanent-rare-earth-magnets-for-fridge-diy-building-scientific-craft-and-office-magnets-1-26-inch-diameter-pack-of-6/
DIYMAG Powerful Neodymium Disc Magnets with Double-Sided Adhesive, Strong Permanent Rare Earth Magnets for Fridge, DIY, Building, Scientific, Craft, and Office Magnets, 1.26 inch Diameter, Pack of 6