These Bock fountain pen nibs are German made, high-quality, and made from stainless steel. Available in a wide range of sizes and materials, these nibs offer a great writing experience at an economical price. These assemblies thread in and out for easy swapping or clean up. Can use any “standard international” ink cartridge or converter.
Compatible with the following Karas Pen Co pens:
- Fountain K*
- Starliner & Starliner XL*