Lanxivi Yongsheng 3008 Piston Fountain Pen EF Extra Fine Nib,Transparent SilverTrim 4 Colors Set

The piston filling system allow your to store more ink than other fountain pens .

The transparent body make this pen looks beautiful and energetic. You can also check the amount of ink left when writing

Precision Anti-leaking Rotation Design : operating the piston while ink is in the pen will cause ink to leak out of the pen, pushing the knob back to avoid ink leaking after filling.

Easy to fill with all brand bottle ink : Pulling the knob out a little, then twisting the knob at the end of the barrel to fill ink. Push the knob back to avoid ink leaking after filling.