Adjustable punch head allows for customization of hole spacing and the option to reduce the number of holes as 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. Powerful punch head designed for high-volume punching, capable of punching up to 30 standard-weight sheets of paper at a time. Easy-to-use tray simplifies paper scraping, making cleanup quick and efficient. Handle locks in the downward position for compact storage when not in use, saving space., Weight: 3.86249883024 pounds, Manufacturer: Aboiled