Cross Slim Fountain Pen Ink Cartridges for Spire & Classic Century.
Pack of 6 Cross SLIM fountain pen ink cartridges. The ink in the convenient Cross Slim fountain pen cartridge is formulated to provide both superior writing characteristics and complete chemical compatibility with Cross fine writing instruments. Designed for use with the unique, slender design of Cross Classic Century and Spire fountain pens. Factory sealed in a blister pack.