Bostitch QuietSharp 6 Heavy Duty Classroom Electric Pencil Sharpener, 6-Holes, Blue (EPS10HC) 70% FASTER SHARPENING  this classroom electric pencil sharpener will sharpen a pencil from new to pointed in under 4 seconds. Seriously! 10X LONGER CUTTER LIFE  The QuietPro 6 has an extra hardened helical cutter developed by Bostitch Engineers that allows for longer life without dulling. 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. TIP SAVER TECHNOLOGY prevents over sharpening and extends pencil life. The cutters pull back once the pencil is completely sharp, even if the student doesnt retract the pencil. 6- SIZE SELECTOR  Sharpen a variety of pencil types including jumbo and Ticonderoga Tri-Write. One-hand easy turn dial with oversized base. TRUSTED BOSTITCH WARRANTY  Our warranty is 7 years and back by a brand you can trust.