... electroplate balls. zinc-plated, nickle- plated, chrom-plated, copper cover Model Number2mm-50mmApplicationtoy, anit-rust purposeShapeshperialMaterialsteelDimensions2mm-50mmChemical CompositionsteelCertificationISO9001Copper Plated BallWe are a professional ... manufacturer supplying all kinds of electroplateballs such as zinc-plated, nickel plated, chrome plated and copper balls with size from 2mm to ...