Material: NdFeb and Ferrite Shape:segment,block,cube,cylinder,disc,ring,rod sphere Grade: high grade ,middle grade,low grade Material: NdFeb and Ferrite Shape:segment,block,cube,cylinder,disc,ring,rod sphereCoating: Zn,Ni,CrGrade: high grade ,middle grade,low gradeWe can make in your requests also provide thorough service , good quality and reasonable price.