STAEDTLER® 512 Double-hole tub sharpener. Two holes for different pencils. For standard-sized blacklead pencils up to 8.2 mm Ø with a sharpening angle of 23° for clear and accurate lines For standard-sized coloured pencils up to 8.2 mm Ø with a sharpening angle of 30 ° for broad, soft lines For thick blacklead and coloured pencils up to 10.2 mm Ø with a sharpening angle of 30° for broad, soft lines Metal sharpener insert. Hinged cover prevents shavings from spilling Lid with safety lock to avoid accidental opening. Blistercard containing 1 double hole tub sharpener