Amsahr Remanufactured Ink Cartridge Replacement for HP 51645A ( Black , 5-Pack ) Engineered and Manufactured Under European Standard ISO 9001. Guaranteed Superior Quality Meets or Exceeds High Priced OEM Products. One Year Warranty, 100% Satisfaction Guaranteed. High Yield New Remanufactured Replacement Ink Cartridges with Superior Quality of Sharp Printing Performance. Protective Retail Packaging, Each Cartridge is Sealed Individually.