The Uni-Ball Signo Gel Impact UM-153S is a premium rollerball pen designed for smooth and consistent writing. Featuring a broad 1.0mm tip and Uni Super Ink, it delivers waterproof, fade-resistant, and tamper-proof lines, making it ideal for professional documents and creative projects. The pen’s ergonomic rubber grip ensures comfortable handling during extended writing sessions.
Specifications:
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Brand: Uni-Ball
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Model: Signo Gel Impact UM-153S
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Tip Size: 1.0mm (writes a 0.6mm line)
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Ink Type: Pigment-based Uni Super Ink
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Tip Material: Stainless steel with tungsten carbide ball
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Barrel Material: Plastic (PC/PP) with rubber grip
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Grip Type: Ergonomic rubber grip
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Cap Type: Capped
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Refillable: Yes (UMR-10 refill)
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Erasable: No
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Water-Resistant: Yes
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Fade-Resistant: Yes
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Pocket Clip: Yes
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Dimensions: Approximately 13.9 cm (length) x 1.1 cm (diameter)
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Weight: Approximately 13.7 grams per pen
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Country of Origin: Japan





