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408 products
408 products
The TWSBI Diamond 580 fountain pen blends modern engineering with classic demonstrator style, making it one of the most beloved pens in the TWSBI lineup. Crafted with a faceted, diamond-cut barrel, the 580 beautifully showcases your ink while providing a comfortable, balanced writing experience for everyday use.
Built with TWSBI’s signature piston-filling mechanism, the Diamond 580 offers a generous ink capacity and smooth, consistent flow. The transparent body allows you to monitor ink levels at a glance, while the precision-engineered stainless steel nib delivers a reliable and customizable writing experience. Designed to be user-serviceable, the 580 can be easily disassembled for cleaning and maintenance—perfect for fountain pen enthusiasts who love to tinker.
Aluminum machined grip, connector, and piston rod.
AL Models have a smooth grip section.
ALR Models have a ribbed textured grip section.
The TWSBI Diamond 580 fountain pen blends modern engineering with classic demonstrator style, making it one of the most beloved pens in the TWSBI lineup. Crafted with a faceted, diamond-cut barrel, the 580 beautifully showcases your ink while providing a comfortable, balanced writing experience for everyday use.
Built with TWSBI’s signature piston-filling mechanism, the Diamond 580 offers a generous ink capacity and smooth, consistent flow. The transparent body allows you to monitor ink levels at a glance, while the precision-engineered stainless steel nib delivers a reliable and customizable writing experience. Designed to be user-serviceable, the 580 can be easily disassembled for cleaning and maintenance—perfect for fountain pen enthusiasts who love to tinker.
The nib, cap metal accents, inner mechanism, end cap metal accents are now all Rose Gold plated.
RELEASE DATE APRIL 1, 2020
- Filling System: Proprietary Cartridge/Converter (converter sold separately)
- Nib: Durable steel for smooth, consistent writing
The Platinum Preppy is an affordable and stylish choice, combining functionality with quality craftsmanship.
The TWSBI Precision Gunmetal fountain pen blends modern engineering with a sleek, industrial aesthetic. Crafted from durable aluminum and finished in a refined gunmetal tone, this pen features clean lines and a distinctive faceted design that offers both visual appeal and a comfortable grip.
Built with TWSBI’s reliable piston-filling system, the Precision provides a generous ink capacity while allowing you to fill directly from bottled ink. The solid metal construction gives the pen a substantial, balanced feel in hand, making it ideal for writers who prefer a slightly heavier, more robust writing instrument.
Equipped with a smooth stainless steel nib available in a range of sizes, the Precision delivers consistent ink flow and a dependable writing experience for note-taking, journaling, or everyday use.
It uses the same nib as the TWSBI Diamond 580; however the 580 nib unit itself is not compatible in the Precision. Only the nib is swappable.
The TWSBI Eco fountain pen has earned its reputation as one of the best values in the fountain pen world—combining thoughtful engineering, impressive ink capacity, and everyday reliability in a clean, modern design.
Featuring TWSBI’s signature piston-filling mechanism, the Eco allows you to fill directly from a bottle of ink, offering a generous ink reservoir that keeps you writing longer. The transparent demonstrator barrel lets you easily monitor ink levels while showcasing your favorite colors. Its lightweight construction and balanced feel make it comfortable for extended writing sessions, whether you’re journaling, note-taking, or sketching.
Fitted with a smooth stainless steel nib in a range of sizes, the Eco delivers consistent ink flow and dependable performance right out of the box.