Convenient Swingline stapler provides high-quality stapling. Stapler holds a full strip of 210 staples and is designed for desktop use. A helpful low-staple indicator alerts you when a refill is needed. This stapler firmly secures up to 20 sheets of paper and works best with standard size S.F. 4 Premium Staples. Opens for tacking so you can easily tack up items such as flyers and posters on soft surfaces. Adjustable anvil, the metal plate at the base of the stapler, rotates to create temporary staples that point out for easy removal from documents. Eco-friendly stapler is made up of 50% recycled material in the top cap. Protected with an antimicrobial application, which helps preserve the integrity of the product by preventing bacteria and mold growth. Swingline backs this high-quality stapler and staple remover with a limited 1-year warranty.