10-100 g high-purity 99.99% metal cobalt slices in vacuum packaging, metal cobalt powder used for scientific research boards
https://www.vogueparade.com/shopping/EN/1428/1/1005003167260795/10-100-g-high-purity-9999-metal-cobalt-slices-in-vacuum-packaging-metal-cobalt-powder-used-for-scientific-research-boards//