... force, corrosion-resistant with good plating, no sharp edge. Customized NdFeB magnets with our advanced processing technology1. Quality Assurance ISO9001:2000, RoHS ... and Cr3+ZnSize available: 0.5-150mmShape: Block, Square, Disc, Cylinder, Ring, Rod, Bar, Stick, Tile, Fan, Ball3. Competitive, Reliable, Reasonable ... visit our factory and cooperate with esteemed OEM!! N35-N52 cylinder magnets