The Staedtler Sharpener Double-hole Tall Sharpener is designed for precision and versatility. It features two holes tailored for standard blacklead pencils up to 8.2 mm diameter with a 23 sharpening angle, perfect for clear, accurate lines, and thicker blacklead or colored pencils up to 10.2 mm diameter with a 30 angle for broader, softer strokes. Its oblong container with a hinged, safety-locked flip-top keeps shavings secure and prevents spills, ensuring a clean and efficient sharpening experience every time.