Electric pencil sharpener features a steel alloy, rotary cutting blade that produces a consistently clean point to prevent oversharpening. Large shavings tray allows continuous sharpening with fewer trips to empty your shavings. Lightweight construction is made of ABS plastic for enhanced durability. Versatile design allows you to power this sharpener with two AA batteries (sold separately) or through the included AC power adapter. Pencil is suitable for pencils with an 8mm diameter.