This heavy-duty motor and helical steel blade sharpener is perfect for high volume classroom use. It features a three-hole pencil size adjustment, an auto pencil stop for a perfect tip every time, non-skid rubber suction feet to prevent slipping and sliding and a large easy-to-empty receptacle that stops operation if removed. This sharpener also has an auto reset device preventing the motor from overheating. Measures 7 3/4″L x 5 1/2″H x 3 1/4″W Sold as Single Unit. 3 holes for various sizes. Large shavings receptacle which is easy to remove and empty. Designed for heavy volume use. Reset device presents the item from overheating.