Two holes for different pencils: black lead pencils and coloured pencils. For standard-sized black lead pencils up to 8.2 mm with a sharpening angle of 23 for clear and accurate lines. For standard-sized coloured pencils up to 8.2 mm with a sharpening angle of 30 for broad, soft lines. For thick black lead and coloured pencils up to 10.2 mm 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 | Staedtler Double Hole Sharpener