Japan Uni-ball Signo RT1 Gel Pen - 0.5mm Black

Available for Order Ships within 1 - 2 weeks

$3.49

0.28 Baby Pink 0.28 Black 0.28 Blue 0.28 Blue Black 0.28 Green 0.28 Light Blue 0.28 Lime Green 0.28 Orange 0.28 Red 0.28 Violet 0.38 Baby Pink 0.38 Black 0.38 Blue 0.38 Blue Black 0.38 Green 0.38 Light Blue 0.38 Lime Green 0.38 Orange 0.38 Red 0.38 Violet 0.5 Baby Pink 0.5 Black 0.5 Blue 0.5 Blue Black 0.5 Green 0.5 Light Blue 0.5 Lime Green 0.5 Orange 0.5 Red 0.5 Violet

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- Ultra-smooth writing achieved by reducing friction between the pen tip and paper
- Edgeless stainless-steel tip for smoother strokes and improved durability
- Spring-tip mechanism helps prevent ink backflow
- Newly formulated ink offers enhanced smoothness while keeping lines crisp, vivid, and bleed-resistant
- Uses water-based pigment ink with excellent water and light resistance
- Seamless one-motion design with an invisible joint between the grip and barrel
- Sleek, simple shape with a full rubber front grip for comfortable handling
- Available in 0.28 mm, 0.38 mm, and 0.5 mm tip sizes

Brand: Uni Ball

Barcode: 4902778142813

Modal No.: UMN155N05.24

Size: 11×15.4×141.2mm approx.

Manufacturer: Uni Mitsubishi Pencil

Source From: Japan

Made In: Japan

Tip Size: 0.5mm

Ink Color: Black

Compatibility: Uni-ball Signo Knock Gel Pen Refill

Jarel A.Jan 10, 2024

Perfect gift for my sister

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Blair K.Jul 25, 2021

Took a long time to arrive, which was expected, but they are all exactly as described. Love these pens!

Japan Pilot Hi-Tec-C Coleto 0.5mm Gel Pen Refill - Black #B

Madeleine E. M.Jul 6, 2025

Super cute, size is for children

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LisaMay 18, 2025

A fun selection to choose from. Short wait on orders but not long, it's worth it! Ships safely.

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Karina S. B.Aug 30, 2026

I love everything. It takes forever to arrive, but worth it! Love the pens. But I exchange the fill with other ones I also buy here and fit perfectly 👌.