Featuring three pencil size options, this electric pencil sharpener will sharpen standard and large graphite pencils quickly and efficiently. This first-class electric sharpener has a robust plastic body and is the perfect device for busy schools and offices. Automatically sharpens when a pencil is inserted and stops when the pencil is removed. Auto Stop when sharp to prevent oversharpening. Safety feature cuts power when tray is removed. Effective thermal cut-out after 12 minutes of continual use to protect the motor. Strong, sharp replaceable helical blade (replaceable). For standard 8mm, 9.5mm and 11mm diameter pencils. Weight 499g and dimensions 296 x 166 x 138mm. Each.