PKR1950368 Parker Ballpoint Refill, Blue, Fine Point. Parker Ballpoint refills for all Parker ballpens and compatible pens using Parker style BP refills, including Sheaffer "C" style refills.

PKR1950367 Parker Ballpoint Refill, Black, Fine Point. Parker Ballpoint refills for all Parker ballpens and compatible pens using Parker style BP refills, including the Sheaffer "C" style refills.