The Kaweco Special Brass fountain pen is a substantial pen with a minimalist design. Octagonal in shape, this pen is made from untreated brass. The brass has an almost mirror-like polish.

The cap unscrews, and has a small o-ring to help make a perfect seal and to make sure the cap can be put on the pen. It can also screw onto the back of the barrel to use posted. 

The Kaweco Mini Squeeze Converter and the Kaweco Mini Slide Converter will also fit.