How long does the pen of eternity usually last?

The pen of eternity can be used almost permanently.

The principle of eternal pen is to make the metal oxidize instantly after touching the paper, and the writing effect is similar to BH's handwriting. The use time of the eternal pen can be deduced from its name "eternity". Generally speaking, the use time of the eternal pen is almost never damaged.

Eternal pen is a kind of nib made of special metal, with no ball and no ink. The degree of wear between metal and paper is almost negligible. The pen tip of Eternal Pen is made of special alloy, which is a very hard special material, avoiding many problems such as temperature, humidity and time.

Eternal advantages:

The biggest highlight of this "eternal pen" is that it is not afraid of consuming a small pen. It is not only very convenient to use, but also very durable. It doesn't need to sharpen a pencil; No need to add ink; There is no need to change the refill. It can be made of more environmentally friendly materials and is safer to use.

Every time you use a permanent pen, you will reduce the consumption of wood and save the earth's resources better. There is not a lot of lead content, and it is made of pure alloy and will not produce any toxic substances. Don't worry about falling, and don't be afraid of smashing, which leads to the embarrassment that you can't write.