The Opus 88 Demonstrator is a large fountain pen with a balanced construction and contemporary aesthetic. Its clear and frosted resin body showcases the inner mechanism and generous ink reservoir.
- Material: Clear and frosted resin
- Filling system: Japanese-style eyedropper
- Capacity: approx. 3.5 ml
- Nib: JoWo #6, steel
- Nib sizes: F, M, B, 1.5 Stub
- Length capped: 16.5 cm
- Length uncapped: 21 cm
- Weight: 27 g
The pen features a screw-on cap and a black metal clip. The built-in shut-off valve controls the flow of ink to the nib, while the rear knob unscrews slightly for extended writing and isolates the reservoir for greater security during transport.
- Genre
- -
- Calligraphy
- No
- Quill
- No
- Colour
- Transparent
- Ink Color
- Black
- Line Width
- Medium
- Cap
- Screwed
- Material
- -
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.