Swingline Heavy Duty Staples provide quality and strength, giving you the ability to fasten large stacks of paper with ease. Created with precision-engineered sharp chisel points, premium heavy duty staples easily penetrate papers, minimizing the incidence of jams and stapling disruptions. The longer, 1/2? legs easily secure up to 90 sheets of paper with each staple. Each full strip contains 100 staples, allowing you to maintain productivity without stopping for refills. With 1,000 staples in each box, you can securely staple large amounts of paperwork without fear of run-outs. These staples are specially designed for use in heavy duty staplers that accept ½? staples.