Ideal for professional or amateur artists, this Derwent Super Point Manual Desk Sharpener sharpens pencils to the optimum super fine point.This sharper features high quality, durable helical blades and the extendable front plate has a self-feeding mechanism which stops when the pencil has reached a superb point.The transparent sliding tray reservoir allows you to see it filling up and can easily be emptied. This sharpener also comes with a desk clamp for added convenience.. Sharpens up to 8mm pencil diameters. High quality helical blades. Visible shavings reservoir. Easy to empty via quick sliding front cover. Comes with desk clamp. Approx. Dimensions (mm) H133 W125 D76. Weight 519g