2 Pack Axiom Remanufactured Compatible Ink Cartridge For HP 56 57 Ink Cartridge C6656AN C6657AN Combo Pack 2 Pack Axiom Remanufactured Compatible Ink Cartridge For HP 56/57 Ink Cartridge Works with ALL HP printers that use 56/57 ink cartridge Black: 1 HP 56 Black C6656AN ink cartridges Tri-Color (Cyan, Magenta, Yellow): 1 HP 57 Tri-Color C6657AN ink cartridges Black: Yields 450 pages per cartridge & Tri-color: Yields 130 pages per color