The ProFold 31001 Desktop Paper Folder is the first and only desktop folder with swinging deflectors and built-in sound covers as part of its standard features. Some of its other features include four pre-set folds and skewed paper side-guides that permit fine control corrections while the folder is running. The paper fold-stop design and fold-chart displayed on each folder easily define the exact plate settings for each standard fold. The ProFold 31001 Desktop Paper Folder operates at a speed of up to 18,000 sheets per hour. With this many features, the Profold Desktop is a great addition to any office environment.