TWSBI Diamond 580ALR Caribbean w/Onyx Fountain Pen Nib Size:Medium 580 has improved the smoothness

580 has improved the smoothness of cap thread turning

Each case comes with 5 pen slots

and a zip sleeve that will easily fit 3 more pencils

The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts

Ready to write

TWSBI Diamond 580ALR Caribbean w/Onyx Fountain Pen Nib Size:Medium 580 has improved the smoothnessOur ever popular 580AL now with Onyx finish. The nib, cap metal accents, inner mechanism, end cap metal accents are now all RoseGold plated. Features 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 530, 540, and 580 was to go back to basics and