X-Acto® Powerhouse 1-Hole Black Electric Pencil Sharpener Powerful Motor Engineered For Fast Sharpening. Extra Long Blade Life For Heavy Usage In Large Office Setting. Pencil Saver Feature Prevents Over-Sharpening. Safestart Feature Prevents Sharpener From Starting Unless Receptacle Is In Place. Backed By The Manufacturer's 2-Year Warranty.