TWSBI Obsidian Fountain Pen Limited Edition
The TWSBI Obsidian is a sophisticated fountain pen featuring a striking dark marbled resin body inspired by natural obsidian stone. Its piston-filling mechanism provides excellent ink capacity, while the clear ink window lets you monitor levels effortlessly.
The steel nib delivers smooth, consistent writing performance ideal for daily use, journaling, and creative work. A refined choice for pen enthusiasts seeking reliable engineering and contemporary elegance.
- Weight: 21gm
- Full length closed: 132mm
- Full length posted: 168mm
- Colour: Grey
- Trim: Gold
- Nib: Stainless Steel Gold Plated
- Packaged in Regular TWSBI Box


Description
The TWSBI Obsidian is a sophisticated fountain pen featuring a striking dark marbled resin body inspired by natural obsidian stone. Its piston-filling mechanism provides excellent ink capacity, while the clear ink window lets you monitor levels effortlessly.
The steel nib delivers smooth, consistent writing performance ideal for daily use, journaling, and creative work. A refined choice for pen enthusiasts seeking reliable engineering and contemporary elegance.
- Weight: 21gm
- Full length closed: 132mm
- Full length posted: 168mm
- Colour: Grey
- Trim: Gold
- Nib: Stainless Steel Gold Plated
- Packaged in Regular TWSBI Box














