The automatic electric pencil sharpener from Tenwin is made of high-quality materials and sharpens your colored and graphite pencils quickly and cleanly. Simply insert your pencil, hold it in place, and the sharpening process starts automatically. The Tenwin electric sharpener is a practical helper for home or office use. Save yourself the hassle of manually sharpening your graphite and colored pencils with Tenwin's electric sharpener. Your personal assistant sharpens all standard-sized pencils with a diameter of 6 mm to 12 mm automatically. The Tenwin electric sharpener is battery-operated (4xAA, not included) and fits anywhere. Thanks to the transparent collection container, you can immediately see when it is full and can empty it.