Martha Stewart Crafts 12-Inch Simple Paper Trimmer Features a slide-out, ruled paper guide with stops, a quick-cut ruler for fast and easy alignment, and a blade storage compartment underneath Includes one 13-1/2 by 7-1/2 by 1/2-inch paper trimmer with slide-out paper guide, one cutting blade, and one scoring blade Fully extended measurements-13-1/2 by 13 by 1/2-inch