Schmidt Safety Ceramic 888 Rollerball pen refills are a premium rollerball refill. Your handmade rollerball pen is only as good as your refill, so choose the best. These smooth-writing rollerball refills are an excellent refill and represent a great value as well. They are a compatible refill for pens that are take Schmidt® style refills and are compatible with many other refill cartridges on the market. These smooth writing 888 rollerball refills are made by Schmidt® in Germany.