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

Upper cap made for our Vac 700r/700 fountain pen

Sailor Pen has selected 8 colors that have a dual shading effect

and other accessories up to 6

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)