Electric sharpener specially designed for classrooms? Engineered and designed especially for children. The electronic sharpener is made to meet the needs of classrooms. Each electric sharpener is equipped with 2 replaceable blades. SAFE AUTOMATIC STOP BLADE FUNCTION - If the scraper box is opened during sharpening, the blade will stop immediately to protect fingers, both large and small holes. You can be sure that your children will use our pencil sharpener in the school classroom. DUAL HOLE DESIGN FOR 6mm~12mm PENCILS Good for regular and painted colored pencils, it can also be a chalk sharpener. With two separate holes for different pencil diameters: 6-8mm and 9-12mm, we mostly use two sizes of pencils in our whole life, one is 6-8mm, the other is 9-12mm. So we designed this battery-powered pencil sharpener to fit all sizes of pencils. SLIDE SWITCH - Protect children's fingers from being hurt. The biggest highlight of the automatic pencil sharpener is that it comes with a slide switch that can hide the larger hole, you can turn it off when you don't want to use it. Avoid your children from pressing their fingers. EASY TO CLEAN AND CARRY - Detachable blades and concise design are convenient for you to take apart the blades from the pencil sharpener and clean it. To let your children or yourself have a new pencil sharpener all the time.