Ideal for pre-punching letter-size (8.5 x 11 inch) paper before placing it into a three-ring binder with three perfectly spaced circular holes. Easy-to-use tray simplifies paper scraping, making cleanup quick and efficient. Adjustable punch head allows for customization of hole spacing and the option to reduce the number of holes as Powerful punch head designed for high-volume punching, capable of punching up to 30 standard-weight sheets of paper at a time. Handle locks in the downward position for compact storage when not in use, saving space., Weight: 3.86249883024 pounds, Manufacturer: Aboiled