NdFeB Countersunk Magnet Ring Tapered Hole Ndfeb Magnet https://www.mlmagnet.com/product/ndfeb-countersunk-magnet/ring-tapered-hole-ndfeb-magnet.html Ring tapered hole NdFeB magnet of round shape magnet is made of Neodymium-Iron-Boron magnets, with high precision control and stable performance.Ring tapered hole NdFeB magnet is mainly used in high temperature protection and wind power generator. Send Your Message To Us E-mail: [email protected]