FeaturesA1 Rotary trimmer with the safety of an enclosed cutter headSelf-sharpening steel rotary bladeSteel baseboardComprehensive metric and imperial scales that includes paper size indicators for quick alignment of papersCapacity - 30 sheetsThis Avery A1 Precision Trimmer (880mm Cutting Length, 20 Sheet Capacity) features a 65mm self-sharpening blade and a lockable, adjustable magnetic backstop for accuracy. A unique window in the cutter head also provides improved visibility when cutting. The trimmer also features printed paper and photo size guides for precision. This A1 trimmer has a cutting length of 880mm and a capacity of up to 20 sheets.