The ultimate blend of performance, safety, and style for the classroom or studio! Its 6-size selector dial is TriWrite compatible and has been designed for easy use by small hands. High-performance, thermally protected QuietSharp motor delivers quiet stall-free operation and fast sharpening speeds. To extend pencil life and reduce classroom noise, the SharpStop(TM) system automatically shuts the sharpener down when finished. Unique SharpGlow illumination creates a soft blue glow around the dial for a visual indicator. Patent-pending XHC cutter cartridge technology provides a long life and features tool-free removal for fast and easy cleaning or replacement. High-volume shavings tray features our patented MagnaSafe tamper-proof safety switch which shuts down the motor when the tray is removed. Unique curved shape and sleek brushed metal case offers class-leading style and classroom durability with antimicrobial protection. Backed by the manufacturer's 7-year limited warranty. Stanley-Bostitch Pencil Sharpeners part of a large selection of office supplies. Stanley(R) Bostitch(R) QuietSharp Glow Electric Classroom Pencil Sharpener, Silver is one of many Electric/Battery Operated Pencil Sharpeners available through Office Depot. Made by Stanley-Bostitch.