For large paper-cutting jobs, the stack cutter is easy to align and clamp into position. Blade cuts a stack of 150 sheets of 20 lb. paper. Unique line of light clearly indicates cut position and provides superior cutting action. Heavy-duty paper cutter features a durable tool steel blade, a dual scale guide with Imperial and metric measurements, and adjustable stack positioner that aligns and locks into position to assure a square cut. Base is made of steel. Cutting line indicator uses two AA batteries (sold separately).