Strong Neodymium magnet 1. Grade: N35,N45,N52 2. Shape: Disc,Ring,Block,Sphere 3. Plating: Ni,Zn,Epoxy,Telfon 4. Quality ... 1st Material: NdFeB Magnet, Strong Neodymium Magnet, Permanent Magnet, Rare earth Magnet, Strong magnetShape ... .Photos of our products:Photos of our factory: Strong Neodymium Magnet