We are constructing an article which requires a component that is hollow metallic ball able to react to magnet. Below are the first requirements. If you feel you can supply, I shall be pleased to hear from you and to receive your idea prices on quantities 1/3/5 million balls. If the price is interesting, we will proceed with sampling for compatibility testing. You are welcome to offer alternatives in material, etc. FOB pricing will be fine for the timebeing. Alternatively, we will also consider a magnetized metal ball in hollow or solid form. Hollow metalic spheresAppearance Shiny silverDiameter about 40mmSkin thickness unspecified (lighter the better)Can be SS or other metals, nickel or chrome platedMagnetism feature (stick to magnet) is required Initial quantity 5 mio pcs (potential 50mio pcs) RegardsCountry:Hong Kong