SHF99334  Sheaffer Ballpoint "K" style refill, Black, Fine. "K" style refills fit most Sheaffer ballpoint pens (exceptions include some of the newer Cross manufactured Sheaffer pens, which take "T" Parker style refills).

SHF99335  Sheaffer Ballpoint "K" style refill, Black, Medium. "K" style refills fit most Sheaffer ballpoint pens (exceptions include some of the newer Cross manufactured Sheaffer pens, which take "T" Parker style refills).