The Faber-Castell Grip Pencil Sharpener features three holes, allowing the use of three different sized pencils at once. It snaps open to reveal its interior, making it easy to store on your desk, or in your pencil case. Both sides of this sharpener will catch waste to keep your workspace tidy. This sharpener will work on almost every pencil, including jumbo sizes and triangular barrels. A top-quality tool for drawing enthusiasts!