The Lexmark 80c10ko is a genuine/original black toner cartridge designed for use with Lexmark printers 410 and 510. With a print technology of laser, this cartridge offers high-quality printing results. It has dimensions of 5 inches in height, 3 inches in length, and 6 inches in width, making it compatible with the specified Lexmark printer models. As an authentic Lexmark product, it ensures reliable performance and optimal print quality for your printing needs.