Why do the pencil sharpeners have to design 3 holes?20181030


There are different types of electric pencilsharpeners on the market, there are 1 hole,  2 holes,  3 holes, and porous.

The three-hole electric pencil sharpener is mainly for students, art, teachers and other groups. It can cut 6-8mm, 9-10mm, 11-12mm pencils, because the cut refill is longer than the ordinary pencil sharpener refill, and the pencil sharpener has The 5th gear can be adjusted, and the tip length can be adjusted according to your needs. It can be charged and is very convenient to carry.

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