The Swingline Classiccut Economy Paper Trimmer SWI9312 is a guillotine trimmer that cuts up to 10 sheets of 20 lb. paper with a self-sharpening, steel blade. This trimmer is ideal for occasional, general-purpose cutting needs, perfect for trimming bond paper, cardstock, construction paper, photos, and customized presentations. Its durable, plastic construction makes it lightweight and easy to transport. The safety catch locks the blade in place when not in use, and a protective rail guard keeps fingers safe from the blades. Additionally, it features Imperial/metric rulers and an alignment grid for precise cutting.