... price 3.quality prior&timely delivery 4.application:industrial magnet hard disk magnetProduct Description1.Material of NdFeB magnet: Magnet N-( N30 ... :220 degree Celsius.2.3.Magnet shape: Block,Ring, Arc,Disc, Cylinder, Rod,Bar, Cube,Sphere,Strip etc.4.Samples are ... and with the most that we can do for you. hard disk magnets