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OnBuy.com£18.46Visit shop Uni-Ball Ub-157 Eye Rollerball Pens. Premium Fine 0.7Mm Ballpoint Tip For Super Smooth Writing, Drawing And Colouring. Fade And Water Resistant Liquid
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The Uni-Ball UB-157 Eye Rollerball Pen is designed for students, office professionals, and journalers who require reliable, long-lasting performance for daily writing tasks. Its primary benefit is the consistent, skip-free ink delivery provided by the Uni-Flow system, coupled with tamper-proof ink security. However, users should be aware that the bold ink flow may require thicker paper to prevent potential feathering or bleed-through on lower-quality stationery.
| Model Part Number | 238212583 |
|---|---|
| Brand | uni-ball |
Yes, they feature Uni Super Ink, which is water-resistant and fade-resistant, making it ideal for important documents.
Yes, because the ink is tamper-proof and archival, it is highly recommended for signing checks and legal documents.
The pens feature a window barrel design, allowing you to see the actual ink level inside the reservoir at a glance.
The UB-157 is designed as a high-quality disposable rollerball pen and is not intended to be refilled.
The UB-157 series typically features a 0.7mm tip, which provides a bold and smooth writing line.
The nib may have dried out slightly. Scribble quickly in a circular motion on a piece of scrap paper to re-prime the ink flow.
The Uni-Flow ink is rich and takes a moment to set. If you are left-handed, try a slight variation in your hand angle or allow the ink a few seconds to dry before touching the area.
These pens do not require any specialized setup; they are ready to write immediately upon removing the protective tip cap. To maintain performance, always replace the cap when the pen is not in use to prevent the nib from drying out. Store the pens horizontally or with the nib facing downward to ensure the ink remains at the tip for an instant start. Avoid leaving the pens in extreme temperatures, as this can affect the viscosity of the ink and the integrity of the barrel.
