... Product Description Our magnets can be widely used in all kinds of electromotors, separators, loudhailers, computers ... to customers' specifications.Product DescriptionBig-size-NdFeB-Magnet-in-Block-ShapeMaterial Grade of NdFeB magnet ... in various size, according to the customer's specificationSurface Treatments: Zinc, Copper+Nickel, Epoxy, Gold, Silver, Passivation, and custom coating available ...