The UNIBALL Air black liquid ink pen delivers a premium writing experience with its innovative air-tip technology that adapts to writing pressure. Designed to feel like a high-end fountain pen, this black rollerball pen produces a fine 0.5 mm line with light strokes and a bolder 0.7 mm line when pressure is applied. Its deep black pigment ink makes it a reliable choice for formal writing, signatures, and official documents.
Key Features
- Air-tip nib technology adjusts line thickness from 0.5 mm to 0.7 mm based on writing pressure, offering a smooth and expressive writing experience.
- Ultra-smooth ink flow provides a fountain pen-like glide, making this a comfortable liquid pen for extended use.
- Pigment-based ink is waterproof, wash-proof, and fade-resistant, ensuring durability for archival and official documents.
- Deep black ink delivers strong contrast, making it suitable as a professional black rollerball pen.
- Consistent ink flow works smoothly at different writing angles, including sideways strokes.
- Pack of 12 pens offers excellent value for offices, schools, and frequent users.
Specifications
• Type: Air-tip liquid ink / rollerball pen
• Brand: UNIBALL
• Model: Air (UBA-188M)
• Ink color: Black
• Tip thickness: Variable (0.5 mm – 0.7 mm)
• Quantity: 12 pens
FAQs
Q1: What makes the UNIBALL Air pen different from standard pens?
A1: The UNIBALL Air black liquid ink pen uses air-tip technology that changes line thickness based on writing pressure.
Q2: Is this pen suitable for official documents?
A2: Yes, the pigment-based ink makes it one of the best ink pens for formal and archival writing.
Q3: What line thickness does this pen produce?
A3: It produces a variable line from 0.5 mm to 0.7 mm depending on pressure.
Q4: Does the ink fade or wash away?
A4: No, the ink is waterproof, wash-proof, and fade-resistant.
Q5: Can this pen write smoothly at different angles?
A5: Yes, it maintains consistent ink flow even when writing at an angle or sideways.
Q6: Who should use this rollerball pen?
A6: It is ideal for professionals, students, and anyone seeking a best rollerball pen with smooth, controlled performance.