Dahle 440 Premium Rolling Trimmer, 14-1/8" Cut Length, 30 Sheet Capacity, Self-Sharpening, Automatic Clamp, German Engineered Paper Cutter Self-sharpening blade cuts in both directions Cuts up to 30 sheets of paper at a time Ground steel blade is encased in protective housing for safety 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