Swingline ClassicCut Ingento Desktop Trimmer CL520m, 18" Blade, Up To 15 Sheets, Maple. Count on this classic for solid, accurate performance. Self-sharpening hardened steel blade provides clean, sharp cuts on everything from tissue to heavy mat board. Features alignment grid and ruler for accuracy, finger-guard rail and blade hook latch for safety. Safety spring washers secure handle in any position to prevent accidental falling. Non-slip rubber feet keep unit for added stability.