Twsbi Kai is a fountain pen made of dark blue acrylic resin. A different design and production method compared with the standard Twsbi fountain pens but with the same manufacturing and writing quality that make Twsbi one of the most famous brand between fountain pen lovers. This is a new verion of a series produced in past with different colors and now available in blue and rose gold trim.
The fountain pen is equipped with a steel nib, same on Diamond 580, and fills ink via the traditional and detachable Twsbi piston filler. The body of this pen features a transparent ink window to check the ink level. Cap top is engraved with Twsbi logo.