The TWSBI Diamond 580ALR in gorgeous Prussian Blue features a piston ink-filling mechanism, and stainless steel nib in several nib sizes. The clear demonstrator barrel allows you to see your ink color and remaining ink level. The aluminum in the new 580ALR has been updated with circular engravings in the grip and cap area, and a subtle matte finish.
The TWSBI Diamond 580ALR piston ink-filling system uses only bottled ink and the clear body with colored aluminum grip and piston, allows the user to view the level of ink remaining in the pen at all times.
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