If you often work with ballpoint pens, you know the various problems associated with them. For example, they usually have a low shelf life so they break easily, the writing ink can run out at any time, and there is no way to refill it. Another problem is that the springs of the pens break easily. This can be quite frustrating, especially if you have a lot to do and want to finish quickly.
However, with this multifunctional Calliper ballpoint pen, you don't have to worry anymore. Because this ballpoint pen is of high quality and is made of high-quality materials, which ensure that it is very durable and does not break or spoil easily. The vernier scale is also well engraved so it will not fade easily.