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🖊️ Write sharp, write smart — the pen that means business.
The uni-ball UB-188-M Micro Air Rollerball Pen features a premium 0.5mm nib delivering fountain pen-like smoothness with fade and water-resistant Uni Super Ink. Its pressure-responsive tip and ergonomic design provide a fluid, controlled writing experience. Sold in a practical box of 12, these pens are trusted globally for professional, precise, and reliable writing.









| ASIN | B016BHQ0UO |
| Age Range Description | Adult |
| Best Sellers Rank | 4,337 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 196 in Gel Ink Rollerball Pens |
| Body Shape | Cylindrical |
| Brand Name | uni-ball |
| Closure Type | Click-Off Cap |
| Colour | black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,308) |
| Drill Point | Fine |
| Global Trade Identification Number | 04548351063887 |
| Grip Type | Ergonomic handle |
| Hardness | F |
| Included Components | Pens Only |
| Ink Base | Water |
| Ink Colour | Black |
| Is the Product Left or Right Handed? | Ambidextrous |
| Item Diameter | 0.5 Millimetres |
| Item Dimensions | 28 x 81 x 146 millimetres |
| Item Type Name | Fountain Pen Tip Air Rollerball Pens |
| Item Weight | 0.1 Kilograms |
| Line Size | 0_25mm_und_0_45mm |
| Manufacturer | Mitsubishi Pencil Company |
| Material Type | Metal Plastic |
| Model Name | UBA-188-M |
| Model Number | 190470000 |
| Recommended Uses For Product | Writing |
| Special Features | Waterproof |
| Style | 12 Black |
| Unit Count | 12.0 count |
| Water Resistance Level | Waterproof |
| Writing Instrument Form | Roller Ball Pen |
| Writing Technique | rollerball |
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