The Twsbi Diamond Mini is a mid-range fountain pen that is basically a smaller version of the company’s Diamond 580.
TWSBI
Twsbi Precision Ballpoint Pen
The Twsbi Precision is an all-metal ballpoint pen that is a competitor to the Rotring 600 and Caran D’Ache 849.
Twsbi Diamond 580 Fountain Pen
The Twsbi Diamond 580 is a mid-range, piston-filling fountain pen with a stainless steel nib and a handsome, faceted body. This pen is one step up in price and features from the more-popular Tswbi Eco.
Twsbi Vac700R Fountain Pen
Twsbi’s Vac700R is a mid-priced vacuum-filling fountain pen. It’s the larger sibling of the Vac Mini.
Twsbi Vac Mini Fountain Pen
The Twsbi Vac Mini is a small, vacuum-filled fountain pen that is known for its reasonable price and build quality.
Twsbi Eco Fountain Pen
The Twsbi Eco is a plastic body, steel nib fountain pen that retails for just under $30. The pen is known for its excellent build quality and writing that matches the experience of pens that cost easily twice as much while remaining very affordable. The Eco is a piston-filled pen that does not use a converter or cartridges. As a bonus, the piston mechanism is fully user-serviceable and the pen even includes the tools necessary to remove the piston from the body (for replacement or cleaning).
Twsbi Go Fountain Pen
The Twsbi Go is an entry-level fountain pen. It has the same nib as the more popular Tswbi Eco, but uses a simpler filling mechanism.