Round Sintered NdFeB Magnets N35-N52(M,H, SH, UH, EH) Coating:Zn C-Zn Ni Epoxy Silver. Shape:round,tile block,ring,ball ... , s Round ... /wind generators, loudspeakers, magnetic hooks, magnetic holder, filters, automobiles and so on12. We could provide you the customized magnets according to your request ...