... Rod magent in high quality,customized size,competitive price, fast and safe delivery,excellent serivices.1.Shape:Disc,Block,Ring, Cylinder, Segment ... Black nickel, Zn, Gold, Silver, Copper, Epoxy.Warnings:Neodymium magnets attract each other with almost twice the force that they ... attract each other through very large distances, even small magnets will attract each other through the thickness of your ...