Faber-Castell Graf Von Ink Cartridge 6's

The excellent quality shows itself in the even flow of ink and the fact that you can start writing with the fountain pen almost immediately, even after long breaks. 

An ink is called indelible if it is smudge-resistant, reproducible, light-fast and waterproof, cannot be erased and is resistant to many chemicals and solvents. 

6 ink cartridges 

Each 0.86 ml 

Document proofed