The Lexmark MS410/510/610 Series Laser Printer Ink is a high yield toner designed for Lexmark CX410 and CX510 printers. This ink comes in a single unit and includes cyan, yellow, magenta, and black colors with a yield of 4000 black pages and 3000 color pages. With a compact size of 3" height, 6" length, and 4" width, this printer ink is a reliable and efficient choice for producing high-quality prints from your Lexmark printer.