The Carl 18" Heavy-Duty Rotary Trimmer & Perforator is designed for the most demanding trimming projects and made with a high percentage of recycled ABS plastic. A patented, locking rail mechanism and luminous paper holder are made of light harvesting acrylic. This powerful paper trimmer can cut as many as 36 sheets of standard copy paper. It will also cut through cardstock, artist black-core matboard, 1/8" foam board and plastic sheets/laminate. An attached storage compartment holds your extra blades and cutting mats. This 15" paper trimmer also includes a handy built-in paper guide, carrying handle, a spare cutting mat as well as one straight and one perforating blade.