Dahle 507 Personal Rolling Trimmer, 12.5" Cut Length, 7 Sheet Capacity, Self-Sharpening, Automatic Clamp, German Engineered Paper Cutter 12 1/2" Cut Length 7 sheet Capacity Self sharpening blade cuts in both directions Sturdy metal base with preprinted guides Dimensions: 17 1/4" x 8 1/4"