neodymium motor magnet Sizes and shapes:according to your details. Grade:N35,N38,N42,N50,N52,N35H... Coating:Ni,Zn. neodymium motor magnet Magnet ... -Cu-Ni, Zn, white-blue Zn, Epoxy, Gold, and etc.Sizes: according to your requirementsShapes: disc, cylinder, sphere, block ,ring , ... Applications NdFeB Magnet are widely used in computers(voice coil motor of hard disc drive, pick-up of optical disk drive ...