The Dahle 155 Professional Pencil Sharpener, with clamp and crank, is a high-performance manual pencil sharpener with an automatic cutting system that prevents over-sharpening and a steel cylinder with cutting edges for a uniform point on pencils of different diameters. The clamp allows the device to be firmly attached to a desk or workbench, ensuring stability during use, while the crank facilitates sharpening with minimal effort. It is suitable for intensive use in studios, architecture offices, art schools, and any context where pencils are frequently sharpened. The shavings container is easy to empty, keeping the work area clean and organized.