The choice for the most demanding trimming projects. The patented locking rail mechanism holds paper firmly in place while the premium carbide blade ensures a clean, accurate cut. Adjustable magnetic paper gauge is great for making repetitive cuts. Durable metal base is calibrated and features alignment grid, ruler and preset measurements for common-sized items. Cuts mat board, card stock, plastic sheets, 1/8" foam board, etc. Handy storage compartment for extra blades and cutting mats.