Everyday Low Pricing on a set of 4 Earth Friendly Premium Toner Cartridges including 1 Black, 1 Magenta, 1 Cyan and 1 Yellow Cartridge to replace LEXMARK 80C1HK0 for use in Lexmark CX410de, CX410e, CX410dte, CX510de, CX510dhe and CX510dthe Series printers. 4K Page Yield per cartridge.