Description The Schmidt 888 Ceramic rollerball refill in Blue with a Medium point is one of the most common rollerball refills, and will fit many common rollerball pens that have a cap. This is the plastic body version of the Schmidt 5888 rollerball refill. From the end of the refill barrel to the tip of the point, this refill measures 111mm or 4.38" We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.