3mm x 1mm 1/8″x1/32″ N52 Strong Rare Earth Neodymium Crafts Magnet Disc 3x1mm
(N52 grade Magnets are made of a brittle material. These magnets are not as strong as steel. They are more like a brittle ceramic. If you let two magnets slam together, they can crack and break. 1/8″x1/32″).