The Superpoint sharpener from Derwent is designed to sharpen pencils to the optimum super fine point. This desk sharpener is ideal for professional and amateur artists of all ages, featuring an extendable front plate, compartment for shavings and desk clamp. The Extendable front plate features a self feeding mechanism which stops when a superb point has been achieved and no further sharpening is required, creating the perfect pencil each time. The shavings reservoir is easy to empty out thanks to sliding out feature. The sharpening blade is removable for cleaning, a desk clamp is also included to secure to your desk. The Helical sharpener is designed for use with pencils up to 8mm in diameter. - Derwent - Removable Blade - Desk Clamp - Feeding Mechanism - Removable Shaving Reservoir - for Use With 8mm Pencils