Description: A rollerball pen featuring revolutionary Energel gel ink, which guarantees exceptionally smooth writing and dries instantly. The BL77 is ideal for professionals and students who need a clear and comfortable tool for everyday note-taking. Main Advantages: Smoothness: The Energel system ensures exceptionally smooth glide over the paper, without jams or skipping. Quick Drying: Ink absorbs quickly into the paper, preventing smudging, especially important for left-handed people. Color: Deep, intense black. Precision: Medium tip (typically 0.7 mm) provides a crisp, clear line. Ergonomics: It has a comfortable rubber grip that minimizes hand fatigue during long writing sessions. Design: Automatically retractable tip (click mechanism) and clip for attachment. Durability: The pen is designed for repeated use thanks to the possibility of replacing the refill (L R7). Details: Length of writing line: 550 m Product length: 151.6 mm Tip thickness: 0.7 mm Writing line thickness: 0.35 mm Color: black