Dahle 561 Premium Guillotine Trimmer, 14-1/8" Cut Length, 35 Sheet Capacity, Self-Sharpening Blade, Automatic Clamp, w/Safety Guard Ground self-sharpening blade maintains a perfectly honed edge Rotating safety guard keeps fingers safe and prevents injury Cuts up to 35 sheets of paper at a time Automatic clamp holds work securely and prevents shifting Sturdy metal base provides solid foundation Screened guides for easy alignment German engineered for precision and accuracy Adjustable alignment guide for repetitive cutting Perfect for trimming paper, photographs, cardstock, and matboard