This heavy-duty pencil sharpener features an industrial-strength motor and an extra large shavings receptacle so it's ideal for use in classroom or other high-capacity setting. The built-in auto-stop mechanism keeps pencils sharp without oversharpening, while the patented magnetic safety switch keeps cutters from turning when the shavings receptacle is removed. Thermal overload cutoff prevents premature motor burnout. Simply turn the dial to choose from 6 sharpening sizes. Includes a 6ft. power cord. U.L./CSA approved. Backed by the manufacturer's 3-year limited warranty. XHC(TM) cutter technology for faster sharpening and longer life! QuietSharp(TM) super-duty motor for quiet, stall-free operation under normal use. Tip Saver Technology(TM) prevents over sharpening to help extend pencil life. One-hand, easy-turn, 6-size selector dial. Oversized base with suction-cup feet for added stability. Thermal overload protection for increased motor life. UL listed. Backed by the manufacturer's 7-year limited warranty. Stanley-Bostitch Pencil Sharpeners part of a large selection of office supplies. Stanley(R) Bostitch Classroom Electric Pencil Sharpener, Blue/Black is one of many Electric/Battery Operated Pencil Sharpeners available through Office Depot. Made by Stanley-Bostitch.