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 888 Safety Ceramic Rollerball Refill, Green, Fine 0.6 mm
Schmidt Ceramic Rollerball Refill (Pack of 2 refills) — Roots & Jones