TWSBI Diamond 580ALR Nickel Gray Fountain Pen Nib Size:Medium inner mechanism

inner mechanism

ABS Construction

screw back the end cap

Middle cap made for our Vac700 fountain pen

Simply press down and release and you're ready to GO

TWSBI Diamond 580ALR Nickel Gray Fountain Pen Nib Size:Medium inner mechanismOur ever popular 580AL now with matte finish, subtile details on the grip and cap. New aluminum machined grip, connector, and piston rod. Features Improved grip and end barrel section compared to 540 580 has increased ink capacity, about 30% more than 530 580 has improved the smoothness of cap thread turning 580 shows you our promise on continuous product improvement on small details Please note : ink is not included The idea behind the TWSBI Diamond