1.core material: Soft magnetism Ferrite core 2.Core specification is complete 3.Be supplied with ... match bobbins Information : 1.Core material: MN-ZN Soft magnetism Ferrite core, Ni-Zn ,2.Core cost: not expensive3.Core range ... :EE, EEL, EI,EC,EF,EFD,ETD,EPC,PQ,RM,UU.4.Can be supplied with their match bobbins 5.Core ... ; Picture: For more detail ,don't hesitate to contact us !! ferrite rod