Opus 88 Jazz Fountain Pen Guitar Inks The Opus 88 Koloro is

The Opus 88 Koloro is equipped with eyedropper filling system and center bar to regulate the ink flow

Polished steel nib engraved with TWSBI logo and branding

China has recently changed it's name to "Majohn

Yi Sang 「Soyoungwije」

transforming with the color of the ink inside

Opus 88 Jazz Fountain Pen Guitar Inks The Opus 88 Koloro isThis large fountain pen features semi transparent blue acrylic on the body, with accenting solid shiny black acrylic on the end and cap. The pen is an eyedropper filler with a shut off valve mechanism that prevents the ink from leaking or dying up. To fill, unscrew the section, fill with the included eyedropper, and replace section. To write, simply unscrew the end blind cap, which releases the middle piston rod's shut off mechanism. (video below)