This is a compatible HP 711 inkjet cartridges combo; includes HP 711 - 3 black (CZ129A) 2 cyan (CZ130A) 2 magenta (CZ131A) 2 yellow (CZ132A) ink cartridges. These cartridges are made to compare to the original in terms of both quality and page yield standards. These cartridges are compatible with: DesignJet T120 T520