- Pencil sharpener, made of durable plastic material and metal blade, in a circular shape, with a diameter of 2.5 cm and height of 1.3 cm, in different colors. The pencil sharpener is equipped with a 0.8 cm diameter socket and it is used for sharpening wooden pencils and synthetic resin pencils, without damaging their shape and without breaking the tips of the pencils. This product is suitable for use by children over 3 years of age.