... ,30UH-40UH,EH,AH... 3.Coating: Nickle,Gold,Sliver,Cu(copper),Cr(chrome),Black epoxy,Passivation... 4.Magnetizing direction: Thickness ... price and high quality9.Uniform coating with epoxy ,Nickle ,cu.. 1. industrial Sensors,Motors,Rotors,Generators,Magnet alternator,Magnetizer,Electrical machine and ... Etc. 3..Home use: Magnetic hook,Fridge hook,Toy magnet,Lock,Water meter and so on NdFeB motor magnet