Uncategorized · Spare Part - Nib
TWSBI Nib Set - Diamond 530/540/580
TWSBI · sold by Pen Boutique Ltd · $20.00–$23.00 · in stock
Quick and easy change nib. No hassle. TWSBI Nib Set - Diamond 530/540/580 comes in EF, F, M, B, Stub1.1 . Spare Nib Set for Diamond 580 fountain pen. Will fit the previous generation 540 and 530 of Diamond fountain pens.
| Option | Price | Stock | |
|---|---|---|---|
| Extra Fine | $20.00 | in stock | Buy at Pen Boutique Ltd → |
| Fine | $20.00 | out of stock | |
| Medium | $20.00 | in stock | Buy at Pen Boutique Ltd → |
| Broad | $22.99 | out of stock | |
| Stub 1.1 | $23.00 | out of stock |
Prices and stock from www.penboutique.com’s public catalog, last checked 2026-11-01 04:47 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:e2083e42-cd88-4b5c-a1a0-27675c0386d6; buy with POST /v1/checkout or MCP create_checkout.