... or filing cabinet,adomment, furniture…,and large disc neodymium magnet used in machine and industry…There ... sizes and different coatings,and we have disc magnets that are magnetized the diameter as ... the thinkness.If you are in our disc magnet,please inform us the information as ... follows:Material:Sintered Neodymium magnetSize: disc magnet,Diameter x ThincknessGrade:N30-N52,N30M-N48M ...