Weighted Spring: Balanced center of gravity provides a comfortable and easy-to-hold experience, allowing you to write with easilyClassic Design: Each pen has a durable clip, making it convenient to attach to notebooks, binders, or pockets.0.5mm Point: The fine point tip ensures precise and clear writing without smearing or bleeding through the paper.Perfect Gifts: These gel pens make great gifts for students, artists, and anyone who enjoys writing. They are suitable for various occasions such as birthdays, art parties, and Christmas.Quick-Dry Ink: The black ink dries quickly and prevents smudging, making it ideal for people to use. The unique weight incrase spring ergonomic provides comfortable writing experience.Please remove the red tip before using! The red tip is a protective coating to protect the ink.