CARL Heavy Duty Rotary Paper Trimmer 12inch Heavy-duty 36-sheet rotary trimmer with carbide blade, patented rail system, calibrated metal base, adjustable magnetic paper gauge and storage compartment. The choice for the most demanding trimming projects. The patented locking rail mechanism holds paper firmly in place while the premium carbide blade ensures an accurate cut. CARL Model# DC-238N, cuts up to 36 sheets. Adjustable magnetic paper gauge is great for making repetitive cuts. Green-friendly paper trimmer Adjustable magnetic paper guide hold materials on a calibrated sturdy metal base board Handy storage compartment for extra blades and cutting mats A spare cutting mat, straight blade and perforating blade are included Limited lifetime warranty -excluding blade and cutting mat