Uncategorized · Inkwells

TWSBI Diamond 50 Ink Bottle - Polished AL

TWSBI · sold by The Goulet Pen Company · $34.99 · out of stock

This glass inkwell from TWSBI has a polished raw anodized aluminum top. It has an ink capacity of approximately 50ml. You can use the specific upper cap design to cleanly and directly fill your TWSBI Diamond 580, Classic, Mini, or Precision fountain pen, or simply unscrew the upper cap to fill any fountain pen from the inkwell itself. The top of this Diamond 50 Inkwell is also interchangeable with the top of the TWSBI 70ml ink bottles.

Prices and stock from www.gouletpens.com’s public catalog, last checked 2026-11-01 10:03 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:97fc3f1c-e91b-4725-8d2f-d7ef3f57eacd; buy with POST /v1/checkout or MCP create_checkout.