TWSBI Diamond 580AL Fountain Pen - Silver, Medium Nib Demonstrators The TWSBI Eco-T is the

The TWSBI Eco-T is the new improved version of the incredibly popular Eco Fountain pen

Supplied with medium black liquid ink refill

Using a variety of tools including crayons

the Preppy fountain pen has enjoyed an unparalleled reputation as a genuine fountain pen with real fountain pen writing despite its incredibly low price point

TWSBI Diamond 580AL Fountain Pen - Silver, Medium Nib Demonstrators The TWSBI Eco-T is theThe ever popular TWSBI 580 now comes with aluminum parts in the new TWSBI 580AL fountain pen. The pen features new aluminum machined grip, connector, and piston rod. TWSBI has taken everything they have learnt as premium fountain pen manufacturers and applied it. The Diamond 580 is the result. WIth the 580 comes an improved grip and barrel section, an increase in the ink volue by 30% to a massive 1. 98ml. Threads on the screw caps have also improved.