1.Steady magnetic propeties 2.Various shaped:ARC,Round,Block,Ring,etc 3.Grade:N35 to N52, ... ,H,SH,UH,EH,AH,etc 4.RoHS,SGS Sintered NdFeB magnet 1.Certificate:TS16949,SGS,ISO2.Grade:N33-N52 33H-35EH ... -45SH,30UH-38UH and 30EH-35EH;4. Shape: ring,block,disc,bar and so on5. Size: according to customers' request;6 ... , loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on NdFeB Magnet