TWSBI ECO & ECO-T Fountain Pens. Excellent service ...As written above, the original Diamond 530 used a Schmidt nib.

Very pleased with the quality of service, thank you ! Still kinda new at this so please don't flame me; I have a TWSBI Eco with a 1.1 stub nib. In 2017 Twsbi launched the Eco-T, a slightly triangular version of the Eco that featured a slightly different form factor than the original. The main feature that the TWSBI 580 offers, which the ECO does not, is an interchangeable nib unit. For the sake of comparison it is similar to Lamy’s triangular grip, except all three sides are uniform where Lamy has a rounded underside.I’ve  stated before that I really enjoy Twsbi’s stainless steel nibs. TWSBI ECO & ECO-T Fountain Pens Great value demonstrator fountain pens with a steel nib and piston filler. Thi… This year, when a new Eco-T Yellowgreen was announced, I decided to jump on it as soon as it became available.

VAT Registration Number GB 855 6813 91. This triangular grip is really quite comfortable to use, particularly for longer writing sessions.

ECO-T has a slightly more pronounced grip section; to help with learning correct writing posture for kids, new enthusiast, and anyone who likes a little bit more structure to the grip area. This triangular grip is really quite comfortable to use, particularly for longer writing sessions. Larger Early Vac 700 models used a Bock nib. It’s nothing that takes away from the overall experience of the pen, it’s just noticeable to the hand but invisible to the eye.It’s no secret that I love Twsbi pens. This part slides off so they are very easy to change over.TWSBI's Diamond mini uses a smaller number 5 size (JoWo) nib to that on the Diamond 580. Received my order for ink very promptly indeed and it was very securely packaged. The traditional mechanism of the fountain pen, combined with a modern industrial design, embodies both the past and the present. While the pen is still available, I must say that I’m glad I got in early.Let’s take a closer look at the Eco-T, and how it compares to the original.The Eco-T has more than a few similarities to the original eco; The nib and feed are identical and interchangeable, the pens are both the same length and weight, and they both use the same plunger-fill mechanism in the clear demonstrator barrel. Where the Eco-T diverges from that design is in the cap, grip, and base cap/knob for the filling mechanism.

Shop Now. Therefore, nib assemblies can be interchanged between Although the Classic model uses the same nib and feed as the Diamond mini, the collar is different so Diamond mini and Classic nibs are not fully interchangeable. While the pen is still available, I must say that I’m glad I got in early.Let’s take a closer look at the Eco-T, and how it compares to the original.The Eco-T has more than a few similarities to the original eco; The nib and feed are identical and interchangeable, the pens are both the same length and weight, and they both use the same plunger-fill mechanism in the clear demonstrator barrel. TWSBI caused quite a stir in 2010 when it launched its Diamond series of pens, starting with the Diamond 530. At the time, I was curious about the design, but waited too long to scoop one up. Cap and end cap also has a rotary triangular shape design. The TWSBI ECO, shown here in Cement Grey, is a classically styled fountain pen with a piston ink-filling system, smooth-writing steel nib and a screw-on cap, at a lower price point than any of the other TWSBI piston filler fountain pens thus far. Precision.

Well, it turns out that the designers over at Twsbi really know what they are doing. But with the $28.99 TWSBI Eco coming out, and with the same ink capacity as the 580, it almost seems too good to be true.. TWSBI GO Fountain Pens . The first Eco-T to hit market was clear with a lovely shade of blue on the cap and base. Like other TWSBI models, these nib units come as a complete front end assembly that screws into the front of the barrel.The TWSBI Vac 700 model uses a larger number 6 size nib (manufactured by JoWo) so is completely incompatible with other TWSBI fountain pens.