... .Various shaped:ARC,Round,Block,Ring,etc 3.Grade:N35 to N52,M,H,SH,UH,EH,AH,etc 4.RoHS,SGS ... -Iron-Boron;2. Temperature: the max operation temp is up to 200 degree centigrade or 380 curie temperature; 3. Grade:N33 ... . Shape: ring,block,disc,bar and so on5. Size: according to customers' request;6. Coating: Ni, Zn, gold, copper, epoxy and ...