This Swingline stapler is designed to handle heavy duty stapling tasks, capable of stapling up to 120 sheets of paper with ease. The brand is known for its quality and reliability, making it a popular choice for office supplies. This model, the 20-120, is a standard stapler unit and does not require any custom bundle to function. The stapler is made in the United States and is suitable for use in any business or industrial setting. Its features include the ability to staple large stacks of paper, making it an essential tool for professionals who deal with a high volume of paperwork. Whether you're in need of a reliable stapler for your office or personal use, the Swingline Heavy Duty Stapler #90009 is an excellent choice.