The HP Genuine OEM 950XL Black High Capacity Ink Cartridges Twin Pack CR317BN are genuine original cartridges from HP designed for use in inkjet printers. Specifically compatible with HP Officejet Pro 8100, 8600, 276dw, 251dw, and 8610 models, these cartridges offer high-quality black printing at a high capacity. With dimensions of 1 3/4 inches in height, 4 1/2 inches in length, and 2 1/4 inches in width, these cartridges provide reliable and consistent performance for all your printing needs.Expired in October 2021 but money back if not perfect. Packaging suitable for Resale. Free Shipping to 48 States