This is a genuine MURATEC TS 3510 black toner cartridge that is new in its original box. It is designed as a drum unit for use in printers and scanners, and is compatible with the TS 3510 model. The cartridge has a sleek and stylish design, and is perfect for producing high-quality prints. The black color of the toner ensures that the text and images are sharp and clear, giving a professional and polished finish to your documents.