This precision sharpener is a favorite for technicians, engineers, architects and artists, for anybody who wants a long precise pencil point. The separate sharpening of wood and lead leads to improved performance with crisper lines for longer periods of time, and fewer pencil shavings. The Automatic Stop controls the long, fine points and avoids unnecessary waste. This mechanism ensures that your pencil is sharpened to perfection. Combined pencil and lead sharpener for standard pencils and drawing leads.Details:Red1 automatic long point sharpener2mm and 3.15mmHas Automatic StopIncludes 2 spare blades