The Rhin-O-Tuff HD6500 is a 14 inch open-ended, heavy duty, all metal binding punch that is designed for use in high volume production environments. The HD6500 has a vertical punching throat that allows gravity to help ensure that your documents are aligned and flush for punching. The process of dropping your pages into the punch can help to make sure that all of your sheets are lined up and ready for punching. The HD6500 offers the ability to punch about thirty sheets of paper using a spiral coil binding die.