Advantage of Tile shape NdFeB Magnets :high quality & intensity from 2~100 mm and available in disc,cylinder,block w/zn,Ni, Customized ... 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: 0.5-200mmShape: Block, Square, Disc, Cylinder, Ring, Rod, Bar, Stick, Tile, Fan, Ball ...