Premium Nonagon Fountain Pen - Arabian Knights Koi Nine-Sided DesignIndulge in the luxurious writing experience with our Arabian Knights Koi Nonagon pen. This hand crafted masterpiece boasts a polished steel Jowo nib, available in your preferred tip size. exudes elegance. Upgrade your writing game with the total unique Nonagon pen. NIB SIZE GUIDE: The best fountain pen tip for beginners to use to become acclimated to writing with a fountain pen is probably a size Medium tip. But you may also use a broad nib size Broad