Heavy-Duty Rotary Trimmer is designed for the most demanding trimming projects and made with a high percentage of recycled ABS plastic. Patented locking bar mechanism and luminous paper holder are made from light harvesting acrylic. Use rotary trimmer to trim up to 36 sheets of standard copy paper. Trimmer also cuts cardstock, artist black-core matboard, 1/8" foam board and plastic sheets. Convenient storage compartment holds extra blades and cutting mats. 12" Paper Trimmer Guide also Includes built-in handy, carrying handle, spare cutting mat, and straight and punch blades.