Fiskars 15-inch Bypass Paper Trimmer Self Sharpening - Low Maintenance Blade Never Needs Replacing Integrated Locking Cutting Arm - For Safe Transporting and Storage Automatic Paper Clamp - Lifts with Cutting Bar and Clamps when Cutting Precision Scale - 1/16 inch increments; grid includes bold accent lines Traditional Wood Design - Rubberized Feet - Ready to Use - No Assembly Required