This kit contains toner refill for Kyocera FS C 5250, 2626, 2526, 2126, 2026, TK 590, 592 replacement chip, refill tools / accessories and easy to use instructions. This is compatible with Kyocera FS C 5250, 2626, 2526, 2126, 2026, TK 590, 592 and other printers.