... gauss, Coatings of magnets: Zn, Ni, epoxy, High grade canbe used, as N38SH, N38, N42, N45 etc. 1.Product: Sintered NdFeB ... rare earth NdFeB magnets with stable performance can be used in industry equipment.Features:1) Largest size: 220 (L) x 220 (W ... ) Coatings of magnets: Zn, Ni, epoxy4) High grade can be used, such as N38SH, N38, N42, N45, N40h etc.