This 10-pack of round shaped ceramic discs is perfect for do-it-yourself projects and making your own magnets. Glue to the back of any light to medium weight item and place on refrigerators lockers white boards or any ferrous metal surface. Perfect for home school and office. * * More About Ceramic Magnets: Our hard ceramic ferrite magnets are composed of iron oxide and barium or strontium carbonate. Ceramic magnets exhibit relatively good holding strength for their price making them a popular choice for many consumer commercial and technical applications. * * Ceramic magnets have so many practical uses including; craft projects refrigerator magnets badge holders latches display boards loudspeakers security systems motors generators & alternators lifting magnets brakes clamps switches & relays sweeper magnets science projects toys games motors magnetic couplings POP displays advertising giveaways promotional items novelties & much more. Brand Name: Magnet Source Length: .187 in. Width: .5 in. Color: Black Material: Ceramic Product Type: Disc Magnets Pull Capacity: 0.5 lb. pull Number in Package: 10 pc MGOe: 3.5 Packaging Type: Clamshell Telescoping: No Usage: Use to make lightweight items magnetic Ceramic Discs are .5? Dia. x .187? Thk. Ceramic is a material that has a high resistance to corrosion or rust but can chip or crack easily so it should be handled with care. Can be glued to any surface. (10 pcs.)