... shape:block,segment size:according to your need Neodyium Magnetic Material: Neodymium(ndfeb) Coating:Nickel shape:block,segment ... than 1.67 the consisitency of surface magnetic field and magnetic flux can be controlled with +/-1% 4)High Anti-corrosion: ... low weight loss less than 2 mg/cm2 Neodyium Magnetic applications: loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication ...