... .. Magnetization: Yes or No High and stable Performance N48 HR Brand Permanent Cylinder High Performance Ndfeb magnet is made from ... M, H, SH, EH, UH)Coating: Ni, Ni-Cu-Ni, Zn, Ag, Au and other special platings and ... square, cylinder and magnetic ring with various sizesHigh magnetic performance (Br: 11,000 to 14,500 GS, Hcj: ... time. N48 HR Brand Permanent Cylinder High Performance Ndfeb magnet