Thick and thin electric pencil sharpener specially designed for use in classrooms.The small electric pencil sharpener was designed to meet classroom needs. Each electric sharpener is equipped with two interchangeable blades. Auto-stop safety function - If the tank is opened during sharpening, both blades stop immediately to protect fingers. You can feel free to let your kids use our small electric pencil sharpener at school and in classrooms. Dual-hole design for pencils between 6mm and 12mm - Good for kids regular, colored pencils. There are two holes for different pencils - Diameter: 6-8mm and 9-12mm - We usually use two different sizes in daily life 6-8mm and 9-12mm.So we designed a pencil sharpener which covers all of these sizes. Slide Switch - Protects children's fingers from injury. The biggest highlight of ARPDJK's electric pencil sharpener is the slide switch can close the largest hole. You should not use this function. It prevents your child from putting their fingers in the hole. Easy to clean and carry - Removable blades and precise design make it easy to remove the blades from the sharpener and clean them. widen with paper or cloth, it always stays like new. So that you or your child always have a new sharpener. Battery operated - 4 AA batteries provide professional power. Just take the sharpener and your pencils and paint wherever you want. Suitable for most pencils.