Dahle 550 Professional rotary paper cutter features round circular blades that are totally enclosed in plastic housings to ensure safety. Self-sharpening blades also cut in either direction. Features an automatic see-through paper clamp and an adjustable backstop. Sturdy metal base has pre-printed grid lines. Can be wall-mounted. Cuts up to 20 sheets of paper at a time. 14" cut. Dahle Professional rotary paper trimmers are made in Germany.