TWSBI Diamond 580 piston fountain pen
Fountain pen Diamond 580 from the famous Taiwanese brand TWSBI! Without cartridge or converter, this fountain pen has a piston ink filling system integrated into the body. This makes it possible in particular to use beautiful inks of your choice, but also to have an excellent ink flow when writing. All you have to do is immerse the nib in a bottle of pen ink and fill the pen by turning the piston at the end. Easy!
Its transparent polycarbonate body is worked like the facets of a diamond (hence its name), and is particularly soft and pleasant to the touch.
The steel nib is available in size EF (extra fine), F (fine), M (medium), B (large) and calligraphy 1.1mm (stub).
Product: TWSBI Diamond 580 fountain pen. The pen is packed in a box which also contains what you need for possible disassembly of the nib block and a bottle of silicone for lubricating the plunger.
Materials: Polycarbonate with plastic and aluminum finish. The grip as well as the internal piston components are in plastic ; the ring and cap are in aluminum.
Filling system: piston.
Ink Capacity: 2mL
Dimensions: closed 142 mm; with the cap 179 mm.