TWSBI ECO Fountain Pen Cosmo with Onyx
The TWSBI ECO is an economical fountain pen that holds just as much ink as the Diamond 580 but has an affordable price that is appreciated by the first-time fountain pen user. The barrel is sleek, round and transparent and the cap has a hexagonal shape that can be posted.
- Piston filling mechanism, Ink capacity of 1.5 ml
- #5 stainless steel nib
- Marbled acrylic barrel with screw on cap and piston nob
- Onyx Black trim and clip
- Inner cap to ensure a perfect seal when not in use
- Cosmo with Onyx
