# UNI-BALL Signo 307 Retractable Rollerball Pen - Fine (0.7mm ball / 0.4mm line) - Black

A great skip-free rollerball pen that writes really well. One of the best at the lower price point.

Plastic body pen with push button operation.

Comfort grip that can just fit through a LEUCHTTURM1917 Pen Loop.

Uses Uniball SuperInk which is waterproof ink.

Unscrew front section to replace refill. Takes Signo UMR-87E refill.

Made in Japan.

## Details

- **Price:** 3.95 AUD
- **Vendor:** UNIBALL
- **Type:** Rollerball Pen
- **Tags:** Category_LarryPOST, Category_LarryPOST/Art Supplies, Category_LarryPOST/Art Supplies/Art Markers, Category_LarryPOST/Brands/UNIBALL, Category_LarryPOST/Brands/UNIBALL/Signo, Category_LarryPOST/Pens, Category_LarryPOST/Pens/Rollerball Pen

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3.95 AUD | In stock |

## Images

- UNI-BALL Signo 307 Retractable Rollerball Pen - Fine (0.7mm ball / 0.4mm line) - Black

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> Source: [LarryPOST](https://www.larrypost.com.au/products/uni-ball-signo-307-retractable-rollerball-pen-black)
> Updated: 2026-05-05