• Staedtler Double-hole Tub Sharpener for standard and thicker sized pencils. • Metal sharpener insert. • Hinged cover prevents shavings from spilling. • Features safety lock to avoid accidental opening. With two different sized holes for sharpening, the Staedtler Double-hole Tub Sharpener is ideal for standard and thicker sized pencils. 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. Additional details: Packaging size: 60mm x 40mm x 40mm