... and reasonable price: 1, Shape: magnet ball/neocube/buckyball 2, coating: Ni(lower price) or Gold, Silver, Blue, Red, Black Ni ... coating(higher price)3, Ball diameter=3mm,4.8mm,5mm or ... *25*22cm 8, tolerance 0.05-0.1mm(0.002in), coating thickness:0.1-0.15mm(0.005in) 9, Express + Manufacture: DHL ...