The Dahle 133 Personal Pencil Sharpener is designed to create smooth, precise points.When creativity strikes, your pencil needs to be ready! Designed for personal use, the Dahle 133 Personal Sharpener can be set to a precise degree of sharpness with the twist of a dial. Whether you need a fine or blunt-edged point, Dahles Automatic Cutting System feeds the pencil into the sharpener while sharpening it to your personal preference. Once at the ideal point, the handle spins freely to prevent over-sharpening. Standard graphite or oversized artist pencils will fit through the sharpeners extra-large pencil opening. The cutting blades can be removed and cleaned. A mounting clamp is included, but not necessary for portable sharpening.