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

4 Wing Sung Fountain Pens (Metallic ,Pink ,Blue and Light Green ) As picture shown ,not ink included in the package

Beautiful and convenient :

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

The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle-no need for cartridges or a converter! Please Be careful, operating the piston while ink is in the pen will cause ink to leak out of the pen. You can wist the knob end of the barrel in clockwise to lock it until you hear a "click"