Rapid Duax Heavy-Duty Stapler handles the work of two. With ONE special Rapid DUAX metal alloy staple the DUAX is equipped with the power to staple 170 sheets and the precision to staple 2 sheets of paper and every size in between. Automatically senses the depth of each paper stack and cuts the legs of the DUAX staple to the exact length needed. Features a flat-clinch mechanism. Offers easy front-loading. Ergonomic design makes for effortless stapling. Includes 400 DUAX staples. Sheet Metal Clinch Stapler