Caran d'Ache Rollerball Pen Cartridges for 849 Rollerball Pens

Caran D’Ache Black Rollerball pen cartridges for the 849 Rollerball Pens.

Standard Parker Jotter Ballpoint Refill size, so you could change your Ballpoint Pen to be a Rollerball Pen is you prefer the feel and experience of writing with a Rollerball Pen.