OPUS 88 Green Demonstrator with Black Nib《Broad》 diary while rigorous testing ensures the

while rigorous testing ensures the nib won't catch on paper

The stainless steel nib was created as a durable and practical nib

Package / in polypropylene bag

it was about to disappear from people's memories

The TSUKI no IRO stationery series incorporates these colors into simple designs

OPUS 88 Green Demonstrator with Black Nib《Broad》 diary while rigorous testing ensures theThe 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