This is 4-Pack compatible Kyocera Mita FS-C5020N, C5025, C5030N toner cartridges. Includes 1 each TK512K (black), TK512C / TK512M / TK512Y (cyan / yellow / magenta). Each toner cartridge is manufactured to be comparative to the original in terms of quality and page yield. Extensive testing and R&D have enabled us to produce cartridges that will not only save you monebut also provide a high quality product to ensure long term customer satisfaction.