permanent magnet strip,neodymium magnet, used for speaker . Material: NdFeB magnet, Permanant magnet Application: speaker, package box, toy ,and so on stirp Magnet Type: Disc ,sheet Size ... : 12.5*1.5, 12.5*3, 6.5*1, 6.5*1.5, 5*1.2,(diameter ... *thickness, mm) Material: NdFeB magnet, Permanant magnet ; Grade: N35-N52,33M ...