Amazon.com : Scriveiner Rollerball Refill Black Medium - 4 Rollerball Refills Designed Pens - Safety Ceramic Non Dry Roller Pen Refill M - Schmidt 888 Size – Made in Germany : Office Products
SCHMIDT MINE 888 M Rollerball Pen Refill Fits Waterman, Visconti Medium BLUE. | eBay
Schmidt Safety Ceramic Roller 888 - Black Ink Medium Tip (.7mm)