Gaussage isn't decisive to magnet property, as most customers think that way. Customized NdFeB magnets with our advanced processing technology 1. Quality Assurance ISO9001:2000, RoHS report by SGS, CP65 Certificate, Reach Certificate 2. You decide the coating, shape, size Surface treatment: Ni, Zn, Epoxy, Gold, Silver, Tin, Ni+Cu+Ni and Cr3+ZnSize available: 0.5-150mmShape: Block, Square, Disc, ...