The Uni-Ball Eye Fine UB-157 is a precision writing instrument featuring a 0.7mm tip that delivers smooth violet ink. This rollerball pen combines sophisticated design with reliable performance for everyday writing needs. Key features: • 0.7mm fine tip for precise writing • Smooth-flowing violet ink • Ergonomic barrel design • Visible ink supply window • Comfortable grip section • Protective cap with secure clip The Uni-Ball Eye Fine series is known for its consistent ink flow and comfortable writing experience. The pen features a transparent window that allows you to monitor ink levels. Its rollerball tip glides smoothly across paper while maintaining consistent line width. The cap includes a sturdy clip for secure attachment to pockets or notebooks.