This electric sharpener features heavy duty steel blades for fine, sharp points and auto pencil stop to prevent oversharpening. The large, see-through shavings tray makes it easy to see when it is full and simply pulls out to empty. Multi-hole sharpener for pencils up to 11mm diameter. Non-skid rubber feet for added stability. Mains power only. The 11333 model is heavy duty. Measures 190x116x195mm (hxwxd). Not suitable for coloured pencils.