Uncategorized · Fountain Pens
TWSBI Diamond 580 Fountain Pen - Iris
TWSBI · sold by The Goulet Pen Company · $88.99 · in stock
The TWSBI Diamond 580 comes with a benchmark piston ink-filling mechanism and has all detachable parts. This fountain pen features a clear demonstrator body with rainbow-colored iridescent trim and a stainless steel nib accented with iridescent color. The clear demonstrator barrel allows you to see your ink color and remaining ink level. It has a clear grip section and screw-cap, and is presented in a modern clear display case. The idea behind the TWSBI Diamond 580 was to go back to basics and capture the simplicity and elegance of traditional writing instruments. In recent years, the…
| Option | Price | Stock | |
|---|---|---|---|
| Extra-Fine | $88.99 | in stock | Order via Kaupia → · Buy at The Goulet Pen Company |
| Fine | $88.99 | out of stock | |
| Medium | $88.99 | out of stock | |
| Broad | $88.99 | in stock | Order via Kaupia → · Buy at The Goulet Pen Company |
| 1.1mm Stub | $88.99 | in stock | Order via Kaupia → · Buy at The Goulet Pen Company |
Prices and stock from www.gouletpens.com’s public catalog, last checked 2026-11-02 22:41 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:44d8ba44-3d0e-4e46-83d1-275d2f30f514; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.