This Uni-ball Signo 207 retractable gel pen set features black ink and a 0.7mm tip size, making it perfect for everyday use in the office or at home. The ink is designed to dry quickly and resist smudging, ensuring that your writing remains crisp and clear. The pen also has a comfortable grip, making it easy to write for extended periods without experiencing hand fatigue. With two pens included in this pack, you'll always have a backup when you need it.