Bostitch Antimicrobial QuietSharp Glow  Extra Heavy Duty Classroom Electric Pencil Sharpener with Replaceable Cutter Cartridge System, Silver/Black (EPS11HC) SHARP GLOW ILLUMINATION  The ring around the sharpeners face lights up once the pencil is sharpened to a point. This allows the student as well as the teacher (who may not be closeby) to know that the pencil is ready for use! TOOL-FREE REMOVEABLE CUTTER CARTRIDGE for fast and easy cleaning or replacement. Never replace your sharpener. Just change out the blade if it gets dull. Check out our video for details. 10X LONGER CUTTER LIFE  The SharpGlow has an extra hardened helical cutter developed by Bostitch Engineers that allows for longer life without dulling. COLORED PENCIL COMPATIBLE  Lot of sharpeners make this claim but only we can back it up. Colored pencils have a bit of wax in them that can get caught up in the blade of any sharpener. But since this electric pencil sharpener has a blade that you can access, simply remove the blade and wipe clean. Its that easy. ANTIMICROBIAL PROTECTED  We know that germs and classrooms go hand in hand. Thats why we developed our classroom sharpener with antimicrobial protection QUIET MECHANISM  We dont call it the QuietPro 6 for nothing. Developed to keep you running an efficient and focused classroom, even when there is a long line at the sharpener. STALL-FREE MOTOR - super duty motor with thermal overload protection keep the plug in sharpener from overheating. Sharpen a high volume of pencils back-to-back without a break. TAMPER-PROOF SAFETY SWITCH  This shuts down the motor when large shavings bin is removed. This is the Bostitch standard for safety in a classroom environment. TRUSTED BOSTITCH WARRANTY  Our warranty is 7 years and back by a brand you can trust.