Swingline Black/Gray LightTouch Heavy-Duty Stapler get revolutionary flexibility and ease of use in a heavy-duty stapler. Staples 20-120 sheets of 20 lb. Paper with a single unique staple and 50% less stapling effort. No more changing staples for different size jobs. Offers one-button front-loading cartridge. Easy jam-clearing knob. Versatile adjustment guide for precision alignments. Exceptionally durable all-metal, die-cast construction.