Japan Uni-ball Signo RT1 Gel Pen - 0.28mm Violet

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: 4902778142530

Modal No.: UMN155N28.12

Size: 11×15.4×141.2mm approx.

Manufacturer: Uni Mitsubishi Pencil

Source From: Japan

Made In: Japan

Tip Size: 0.28mm

Ink Color: Purple

Compatibility: Uni-ball Signo Knock Gel Pen Refill

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 👌.

Rebecca S.Dec 26, 2024