A range of large, super-strong neodymium and great value ceramic disc magnets. Super-strong magnets have many uses in engineering and manufacturing where maximum strength is required at the most compact size. Within our 50mm (1.97")+ diameter disc magnet range you will find some of our most powerful magnets including pot magnets capable of generate an incredibly 150kg (330.69lbs) pull. We also stock a wide range of ceramic ring magnets commonly used in loudspeaker systems and magnetic rollers.