Built with the classroom demands in mind, this sharpener will help students sharpen their pencils quickly, quietly, and safely. The XHC™ cutter technology allows for 70% faster sharpening and 10x longer life. With the combination of a QuietSharp™ super duty motor and thermal overload protection, operation is quiet with the durability to withstand strenuous classroom use. To ensure safety in the classroom, the tamper proof MagnaSafe™ shutoff technology smartly prevents operation when the shavings tray is removed. The kid friendly, easy turn 6-size selector dial will accommodate the various pencil sizes used in schools. And for ease of use, the Tip Saver Technology™ prevents over sharpening, extending pencil life.