OPUS 88 Green Demonstrator with Black Nib《Medium》 the nodoka this dish adds a delightful

this dish adds a delightful flair to your space

Molded construction for a comfortable fit

Cotton cloth case

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

The white rubber surface makes it easy to see the ink color

OPUS 88 Green Demonstrator with Black Nib《Medium》 the nodoka this dish adds a delightfulThe Green Demo from OPUS 88 is a traditional dropper fountain pen with a clear acrylic body and comfortable weight distribution for easy writing. The knob at the end adjusts the air pressure and ink flow, controlling ink output and airtightness. The pen body and grip can be easily unscrewed for cleaning and refilling. Based in Taiwan, Opus 88 pens has masterfully engineered their pens to serve in both form and function, as well as reflect the artistry