Compatible modelsC9600hdnC9600nC9650dnC9650hdnC9650nC9800hdnC9800hnMB770+MB770f MFPMB770fx+MC780+MC780f MFPMC780f+MC780fx+MPS3537mcMPS3537mc+ WirelessMPS4242mc+MPS4242mcfMPS5502mb+MPS5502mbfDescriptionGenuine Finisher Staples.Staple Cartridge Refill is rated to yield up to an 15,000 staple pages.Specificationslbs1.2