The Bostitch Antimicrobial Heavy Duty Stapler is the perfect stapler for heavy duty stapling jobs. Stapling up to 215 sheets of paper, it's the perfect workhouse for all kinds of business and office environment. It’s often seen at accounting firms, insurance offices, schools, print shops, and anywhere that requires large stapling jobs. In high traffic environments where multiple people are using the community office supplies and equipment, germs can pass easily from one person to the next. This particular heavy duty stapler is made with an antimicrobial finish that prevents the growth of bacteria on the surface of the stapler. Made with durable all-metal construction, this stapler is sure to last a long time and withstand a great amount of stapling. Its anti-jam mechanism virtually eliminates staple jams, making every day stapling easy. It also has an adjustable paper stop with standard and metric measurements, giving the stapler up to a 2.75" throat depth. The stapler is to be loaded in the rear. It takes ¼", 3/8", ½”, and 5/8" Bostitch Staples.