Electric pencil sharpener specially designed Compatible with classrooms? Developed and designed specifically Compatible with children. The electronic pencil sharpener is manufactured Compatible with meeting the needs of classrooms. Each electric pencil sharpener is equipped with 2 replaceable blades. SAFE AUTOMATIC BLADE STOP - If the scraper is opened during sharpening, the blade immediately stops Compatible with protecting fingers, both large and small holes. You can be sure that your children will use our pencil sharpener in their classrooms at school. DUAL HOLE DESIGN Compatible with 6mm~12mm PENCILS Good Compatible with regular and colored drawing pencils, it can also be a crayon sharpener. With two separate holes Compatible with different pencil diameters: 6-8mm and 9-12mm, we mostly use two sizes of pencils throughout our lives, one is 6-8mm, the other is 9-12mm. Therefore, we designed this battery-operated pencil sharpener Compatible with fitting all pencil sizes. SLIDE SWITCH - Protect children's fingers from injury. The biggest highlight of the automatic pencil sharpener is that it has a slide switch that can hide the larger hole, you can turn it off when you don't want to use it. Prevent your children from sticking their fingers in. EASY TO CLEAN AND CARRY - Detachable blades and concise design make it easy Compatible with you to disassemble the blades from the pencil sharpener and clean it. So that your children or yourself always have a new pencil sharpener.