This lot includes two genuine Brother TN-250 black toner cartridges compatible with various Brother printers and fax machines, including the FAX-2800, FAX-2900, FAX-3800, MFC-4800, DCP-1000, and MFC-6800 models. These cartridges are designed to produce sharp and clear prints using laser print technology. They are ideal for both home and office use and are a cost-effective solution to your printing needs.