A good ballpoint pen should have the following features:
1. Smooth writing experience: The pen tip is smooth and can write smoothly on the paper without jamming or scratching.
2. Uniform ink distribution: The pen tip can release ink evenly to ensure the consistency and clarity of the text or lines. There will be no excessive or insufficient ink.
3. Suitable pen grip design: The design of the pen body should be ergonomic, comfortable to hold, and will not feel tired after long-term use.
4. Good durability: The quality of the refill and pen body should be good, able to withstand the wear and tear of daily use, and not easy to break or damage.
5. Stable ink supply: Even when it is inverted or tilted, the ink can be stably supplied without sudden leakage or drying.
6. Beautiful appearance: In addition to functionality, appearance design is also an important consideration. An attractive appearance can increase user satisfaction.
7. Suitable for different users: For example, for users who need to write for a long time, a lightweight design may be more popular; while for designers who pursue details, they may pay more attention to the fineness of the pen tip and the saturation of the ink color.
In summary, a good ballpoint pen not only needs to meet basic functional requirements, but also take into account the user's personalized preferences and usage scenarios.