Suitable for all regular pencils with a diameter of 6-8 mm, lead pencil,colored pencil,charcoal pencil, satisfy students and teachers with homework, writing and drawing.Cute appearance and durable: press the start, it will stop automatically at a perfect point, then you will see the pencil is cut smoothly, the force is even, it is not easy to break the lead core, save the pen loss, save time, complete the work in a few seconds from the beginning to the end, improve effectiveness intelligently.