Staedtler double-hole tub triangular sharpener having two holes for different pencils. For standard-sized black lead pencils up to 8.2 mm diameter with a sharpening angle of 23 degrees for clear and accurate lines. For standard-sized coloured pencils up to 8.2 mm diameter with a sharpening angle of 30 degrees for broad and soft lines. For thick black lead and coloured pencils up to 10.2 mm diameter with a sharpening angle of 30 degrees for broad and soft lines. Metal sharpener insert. Hinged cover prevents shavings from spilling. Lid with safety lock to avoid accidental opening.