sintered neodymium magnet 1.Grade:N30~N52,(M,H,SH,UH,EH) 2.Plating:Ni,Zn,Au,Ag,Epoxy,Passivated,etc sintered neodymium magnetProduct ... most powerful permanent magnet, offers a great return for cost & performance, have the highest field/surface strength(Br), high coercivity(Hc), can ... ≥34≥270630-34239-271-0.105-0.5200 bonded permanent neodymium magnet