The CARL Heavy-Duty Paper Trimmer CUI12238 is designed for demanding trimming projects, 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 also capable of trimming cardstock, artist black-core matboard, 1/8" foam board, and plastic sheets. Additional features include a handy storage compartment for extra blades and cutting mats, a built-in paper guide, a carrying handle, a spare cutting mat, and both straight and perforating blades.