5/8 Inch 16mm Round Ceramic Magnets Bulk 144 Pieces Strong for Crafts 1/8 inch thickness - Walmart.com
Rectangular or Block Ferrite Magnets | Bunting - eMagnets
Ceramic Magnets — Design Life-Cycle
Ceramic Magnets for Crafts with Cabochons - Transparent Glass Dome 2,5 cm and Ferrite Magnets 1,8 cm Round Disc - Small Fridge Magnets and Clear Cabochons Tiles for Refrigerator - 12 PCs :
Ceramic Channel Magnet - 76mm x 38mm x 11.6mm thick x 4mm hole - 55.13lbs Pull