# TWSBI Pipe Extension (fits TWSBI Diamond models, TWSBI converters, universal converter)

The TWSBI pipe is designed to fit onto the barrel section of the TWSBI Diamond 580/Mini. Allows for drawing up of ink from and ink bottle. Then use the ink in the pen or transfer the ink to a converter or cartridge for use in another pen.

## Details

- **Price:** 23.95 AUD
- **Vendor:** TWSBI
- **Type:** Fountain Pen
- **Tags:** Category_LarryPOST, Category_LarryPOST/Brands/FABER-CASTELL/Fountain Pen, Category_LarryPOST/Brands/TWSBI, Category_LarryPOST/Brands/TWSBI/Nibs and Spares, Category_LarryPOST/Brands/TWSBI/TWSBI Converter, Category_LarryPOST/Pens/Ink Converter, Category_LarryPOST/Refills-Inks/Ink Converter

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 23.95 AUD | In stock |

## Images

- FABER-CASTELL Design Converter (Universal) for Fountain Pens
- TWSBI Pipe Extension (fits TWSBI Diamond models, TWSBI converters, universal converter)
- TWSBI Pipe Extension (fits TWSBI Diamond models, TWSBI converters, universal converter)

---

> Source: [LarryPOST](https://www.larrypost.com.au/products/twsbi-pipe-needle-attachment-for-refilling-fountain-pens)
> Updated: 2026-07-07