Powerful feature-packed antimicrobial sharpener with removable cutters is designed for a school setting. XHC cutter technology delivers 70 percent faster sharpening and 10 times longer life. Heavy-duty QuietSharp motor operates stall-free under normal use and without obtrusive noise. Thermal overload protection increases motor life. For safety integrated MagnaSafe tamperproof switch shuts motor off when shavings tray is removed. Innovative SharpStop feature shuts motor off and SharpGlow illumination glows blue when sharpening is complete for noiseless indication. Versatile easy-turn pencil selector dial provides six hole sizes. Sharpener is colored pencil-friendly with a tool-free easy-to-remove cutter cartridge for fast cleaning or replacement to eliminate the headache of typical colored pencil gumming after sharpening. Brushed metal case offers extra durability. The oversized base with suction cup feet allows extra stability. Pencil sharpener includes a cutter cartridge. Bostitch Classroom Electric Pencil Sharpener Black Silver