Product Description Cleanly cut up to 10 sheets of 20-pound paper at once, delivering precise cuts on cardstock, photo cutter needs, and construction paper. This paper cutter heavy duty design is made with a durable plastic base with 1/2-inch gridlines and a printed ruler, allowing for precise alignment and cutting. The safety guardrail ensures your fingers stay a safe distance from the blade, while the trimmer arm secures the blade when not in use. From the Manufacturer Amazon Basics