Knowledge of pencils

Pencil Price Difference

There is a price difference in a pencil first, it depends on the difference of the core.
The difference in the core is mainly due to the granularity of graphite and clay, or fineness. There is a difference in the easiness of writing, the difficulty to break, and handwriting ability.
The quality of the trees is also different. The ease of scraping at the time of shaving is the first, there is a difference in writing comfort and beauty.
As for the coating of the axis, a lot of times are painted a good thing. It prevents moisture by doing so, improves the shelf life, and becomes prevention of Suberidome and dirt. In addition, there are many differences, such as the beauty of the appearance is different.