This electric pencil sharpener is fast carving and of quality to sharpen standard 8mm pencils. Has an auto stop function to prevent over sharpening. Has a safety off feature when the tray is removed. Sharpener ideal for graphite and colored pencils and suitable for all classrooms. It's durable with having a helical steel blade. With a large shaving container, the frequency of throwing chips is  reduced, saving time and effort. It is easy to open and clean.