The HP 45A 10-pack offers proven Original HP 45A industrial inks that delivers crisp black text on porous media. There are 10 cartidges in easy-to-open, cost-effective packaging that makes inventory management a snap.<br><br>Proven, high-quality ink, same as the HP 51645A black print cartridge<br>- Water- and smudge-resistant—and ideal for porous media<br>- Good balance of optical density and decap time<br>- Excellent readability on bar codes and package coding<br><br>Easy-to-open and cost-effective bulk packaging<br>- Faster ink replacement times<br>- Fewer items to store and track