There is not one fountain pen that has the same exact color accent as another: Every fountain pen will be similar in color accents but all slightly different due to the nature of this finish.

*The cap can't be posted at the back of the barrel while writing*

EF / F / M / B nibs

TWSBI Diamond 580 Iris

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

Comes with a small vial of silicone grease and a wrench for disassembly.