The Original HP 301 Black & Colour 2 Inks are specifically designed for use with HP deskjet printers, such as the 1000, 1050, 2050, and 3050 models. These ink cartridges come in a pack of 2, with one black cartridge and one tri-colour cartridge, ensuring high-quality printing results. The HP brand guarantees reliability and compatibility with your printer, making these cartridges a convenient and essential choice for your printing needs.