Tough classroom or office environment? We have you covered. XHCâ„¢ cutter technology outlasts single blade models by up to 10X. Tip Saver Technologyâ„¢ produces a precision point and prevents over-sharpening, extending pencil life. Quiet Sharp heavy-duty motor for class-leading quiet, stall-free operation and a fast three second sharpening speed (new pencil). High capacity easy clean shavings tray with a patented tamper resistant MagnaSafeâ„¢ safety switch to prevent operation when the tray is removed. Oversized suction cup base for added stability. Easy turn six-size selector dial.