Amazon.com : Lanier Comb Pack - Pack of 12 - Schmidt 888 F Safety Ceramic Rollerball Refills 6 Black Fine and 6 Blue Fine ink Fine Tip : Office Products
Schmidt - 888F Rollerball Refill (Black) – KOHEZI
Schmidt 888 Safety Ceramic Rollerball Pen Refill, Fine Black Ink, Pack of 3 | eBay