... 2)high quality with satisfied price 3)using widely Disc NdFeB magnetShape: Arc(segment),Block,Cube,Cylinder,Disc,Ring,Rod,SphereMaterial ... temperature 220 degree.Coating:Zn,Ni,NiCuNi, Au,Passivation Application: NdFeB magnets are generally used for motors, speaker, toys and electronics, sensors ... and provide excellent technical support for new project. Disc N50 NdFeB magnet