This is a set of Genuine/Original Xerox drum cartridges, specifically the 108R01485, 108R01486, 108R01487, and 108R01488 models. These drum cartridges are brand new and sealed by the manufacturer. They are designed to be used with Xerox printers to ensure high-quality printing results. As Genuine/Original products, users can expect reliable performance and compatibility with their Xerox printer models.