... high intensity, various shapes. 2.Grade: N35-N52,(M,H,SH,UH,EH) 3.Platings: Ni,Zn,Au,CU,Chrome, etc ... : N33, N35, N38, N40, N42, N48, N50, N52 (M, H, SH, EH, UH) Coating: Ni, Ni-Cu-Ni, Zn, Ag, Au ... in this magnet, please contact me at any time. YB-9 NdFeB magnet