The CARL Heavy-Duty Rotary Trimmer CUI12220 is designed for demanding trimming projects and constructed with a high percentage of recycled ABS plastic. It features a patented locking rail mechanism and a luminous paper holder made of light-harvesting acrylic. This rotary trimmer can cut up to 36 sheets of standard copy paper and is capable of trimming cardstock, artist black-core matboard, 1/8" foam board, and plastic sheets. It includes a handy storage compartment for extra blades and cutting mats, as well as a built-in paper guide, carrying handle, spare cutting mat, and both straight and perforating blades.