Blen Retractable Black Gel .7mm Pen

0.7mm Black Ink Emulsion Ink: Ink in which combine oil-based ink and water-based gel ink to create a stable emulsion state. Direct Touch: Gripping the inner core stabilizes the pen tip. Noise Free Design: Eliminating the space between each part stabilizes the pen interior. Low center of gravity: Lowering the center of gravity stabilizes writing. Writing Vibrations: Contact between a pen tip and paper causes vibrations. The fingers of the person holding the pen are subjected to these vibrations, which unknowingly causes stress.