Asvine J16 Solid Titanium Fountain Pen Jowo Fine Nib Piston Filling, Ink Window Design with Wrench and Pen Box

Durable Material -- the pen was made from high-grade titanium. The superb titanium is well known for the extremely high durability and exceptional light weight.. Easy Flow and Write Smoothly -- Equipped with a Jowo fine nib, this pen offers an effortless and smooth writing experience.. Well-Balanced for Daily Writing -- The ergonomic titanium section has a no-slip design and ensure you have a comfort grip for long time writing.. High Ink Capacity --This writing instrument built-in piston filling system holds far more ink than a cartridge and lets you draw ink straight from the bottle, no converter required.. Easy Filling--Unscrew the knob, dip into ink, screw back the knob, and you done! PS: when the piston doesn't move, it means that it has reached its end. Twisting the knob forcibly will damage the piston system.