Strong NdFeB magnet. 1. Grade: N35,N45,N52 2. Shape: Disc,Ring,Block,Sphere 3. Plating: Ni,Zn,Epoxy ... ,Telfon 4. Quality 1st Magnets Name:NdFeB Magnet, Neodymium Magnet, Permanent Magnet, ... Rare-earth MagnetMagnet Shape:Block, Sheet, Bar, Coil, Ball, Stick, ...