Traveler's Company - TRC Ink Cartridge For Brass Fountain Pen - Black/Blue Black

This is Black or Blue Black Ink Cartridges for TRC Brass Fountain Pen. It consists of 6 cartridges in each box. 

• Water-based ink, 6 Cartridges, 7mm in diameter x H38mm 
• Package size: H41 x W48 x D9mm
• Weight: 10g
• Country of Origin: Austria
• Materials: PP