Faber-castell Ballpoint Refill Medium Blue We put quality craftsmanship in the refill products for you to enjoy your writing instruments Ball pen refills fit into Graf von Faber Castell, Porsche Design Ball pen refills will also fit, Faber-Castell Ambition and Faber-Castell E-Motion Consider stocking up, refills last for at least a year Purchase multiple refills and save on future shipping