... :ARC,Round,Block,Ring,etc 3.Grade:N35 to N52,M,H,SH,UH,EH,AH,etc 4.RoHS,SGS Sintered NdFeB magnet 1 ... .Certificate:TS16949,ISO,SGS2.Grade:N33-N52 33H-35EH and so on 3.Size:as customers' requirementsDetailed:1. Material:Sintered ... ,30SH-45SH,30UH-38UH and 30EH-35EH;4. Shape: ring,block,disc,bar and so on5. Size: according to customers' request ...