This battery pencil sharpener quickly sharpens the tip of your pencil. Just insert the pencil down into the unit and continue writing with a newly sharpened tip seconds later! This small sharpener is perfect for light usage at home, office, school or classroom. Recommended for regular #2 pencils only and not suitable for colored pencils. The Westcott Ball Sharpener includes a manufacturer's limited one year warranty. Westcott pencil sharpeners are necessary for any school or office that uses pencils regularly. A good pencil sharpener will keep your writing instrument sharp and ready to use for a long time. Westcott offers a wide variety of pencil sharpeners to meet your every need.