Lanxivi 4 Colors 3008A Fountain Pen Piston Filling Upgrated Fine Nib, Transparent Gold Trim

• Smooth Handwriting and Easy Flowing: The stainless steel fine nib delivers smooth writing
• Easy to fill with all brand bottle ink: unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write! Please note that these pens do not come with ink due to safety reason
• More ink capacity: The piston filling system allow your to store more ink than other fountain pens
• Beautiful and convenient: The transparent body make this pen looks beautiful and energetic. You can also check the amount of ink left when writing
• Nib: Stainless Steel Fine(Upgrated); Length:138mm; Diameter:14 mm; Each Pen weight:24g; Cap : Screw Typewing

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! Precision Anti-leaking Rotation Design : 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"