"For large paper cutting jobs, the stack cutter is easy to align, clamp into position and cut a stack of 150 sheets of 20 lb. paper. Unique line of light clearly indicates cut position and provides superior cutting action. Features include a durable tool steel blade, a dual scale guide with imperial and metric measurements: an adjustable stack positioner that aligns and locks into position to assure a square cut. All steel base. Requires two AA batteries (not included)."