Liquid Ink Rollerball Pens, 12 PCS 0.5mm Extra Fine Point Pen, Quick-Drying Rolling Ball Black Pens for Office, Home, Company, School

Smooth writing: The ball point of the rollerball pen is made of tungsten carbide ball, which has a smooth writing and a soft, bouncy writing feel. 0.5 mm nib is smooth to write and does not easily accumulate ink or scratch paper. Provides you with a smooth writing experience. High quality ink: The gel pens is made with water-based ink, which has the advantages of low impurities, positive colour and stable chemical properties. High quality, fast-drying ink ensures smooth and smudge-free writing. And it is less likely to clog the nib, so every drop of ink is used to its full potential. Rollerball pen: This black pen has a straight-injected ink storage design with a barrel-as-refill and a large ink storage capacity for writing lengths up to 1100m, providing you with long-lasting writing companionship. Visible inkwell: The black gel ink pens is designed with a visible inkwell, so the stock is visible in real time. You can check the ink level in real time and avoid the worry of suddenly running out of ink. Wide range of applications: The rollerball pens black is suitable for use in the classroom, marking different words and some important notes. It is a great gift for office, home, business, students etc.