The Fellowes Atom 150 rotary paper trimmer is designed to cut up to 30 sheets of 20lb paper at one time with a maximum cutting length of 15 inches. The Atom 150 uses an enclosed stainless steel rotary blade that keeps the operator safe by preventing contact with the blade. It uses a heavy duty blade that is designed to cut cardstock, plastic sheets and even foam board. Plus, the Fellowes Atom 150 includes cutting guides for various paper sizes, photos and can even perform angled cuts. This trimmer offers an auto paper clamp plus adjustable edge guides to ensure cutting precision and a durable metal base that features non skid feet for stability.