This product is a lot of 8 genuine HP 51604A black ink cartridges, sealed and with an expiration date ranging from 2008 to 2011. SOLD AS IS due to date. They are specifically designed for HP printers. The cartridges are of original quality and are suitable for inkjet printers, producing high-quality black prints. This bulk quantity of cartridges ensures long-lasting use for those needing to replenish their printer ink supply.