Uni-Ball Signo RT1 Gel Ink Pen / uni Mitsubishi Pencil
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The Uni-Ball Signo RT1 Gel Ink Pen delivers smooth, consistent writing with Uni’s pigment-based gel ink that resists water, fading, and smudging. Its seamless tip design minimizes friction against the page, while the rubber grip provides comfort for extended use.
Key Features:
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Seamless tip design reduces writing resistance for a smoother glide.
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Pigment-based gel ink—water-resistant, fade-resistant, and smudge-proof.
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Comfortable rubber grip for fatigue-free writing.
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Retractable mechanism protects the tip and prevents ink from drying.
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Refillable design for long-term use.
Specifications:
| Tip Size | 0.38 mm or 0.5 mm (depending on model) |
| Ink Type | Pigment-based gel ink |
| Grip | Rubber grip |
| Mechanism | Retractable |









