Features:1. The nib is made of alloy, which is small and its color is similar to ordinary pencils, it can write smoothly, and the handwriting is easy to be wiped off with an eraser. Long eraser inside, easy to erase.2. Working Principle: The reason why this metal inkless pen can write without sharpening or ink is that the nib rubs on the paper to decompose the alloy metal molecules and leave them on the surface of the paper; Inkless pen can be applied on most paper, and the handwriting can be retained for a long time, regardless of temperature or weather conditions.3. Durable: Metal erasable pens can replace up to 100 traditional pencils by using compressed nibs, without the need to sharpen or replace the refills; It helps you reduce the time of sharpening or adding ink, saving money, and can serve you for a long time.4. Wide Range Of Uses: This everlasting pencil is suitable for children&39;s drawing, writing diary, taking notes, making scrapbooks and other art projects, and their handwriting is erasable.5. Practical Gifts: These alloy inkless writing pens can be regarded as practical gifts for children, students, teachers, friends, etc., won&39;t consume wood, and safe to use; They will be surprised to get such delicate gifts.Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurement3. The pencil is not endless, but it is more than 100 times the writing length of ordinary wooden pencils.Total length: 14cm