TWSBI ECO Transparent Yellow Fountain Pen 580iris Spring loaded piston filling mechanism

Spring loaded piston filling mechanism

Each case comes with 5 pen slots

dip into ink

Improved grip and end barrel section compared to 540

Also comes with a cleaning cloth for your pens

TWSBI ECO Transparent Yellow Fountain Pen 580iris Spring loaded piston filling mechanismComes in EF, F, M, B, Stub1. 1 nib choices Colors: Clear Turquoise Pen cap is able to post onto the back of the pen Piston Filler Fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!! Pen cap has an inner cap to insure a perfect seal when stored away. Made for the beginner who just wants to try out fountain pens, all the way to the experts. A good everyday worker. Please note: Ink is NOT