Avoid job interruptions with the HP Staple Cartridge Refill. With 5000 staples in the refill cartridge and messages that indicate when the stapler is low on staples, you don't have to worry about running out of staples in the middle of a print job. The HP staple cartridge refill is easy to install and use, ensuring accurate stapling for professional-looking documents. With 5000 staples, the HP staple cartridge refill offers great value and the reliability you've come to expect from HP.