If you're used to the stapler accessory on your HP LaserJet printer, you'll know how quick and easy it is to create professional-looking stapled documents when printing automatically. Make sure you keep a refill ready by choosing this HP LaserJet 9000 Staple Cartridge Refill, packed with 5,000 staples for long-lasting stapling performance. The all-in-one staple cartridge means it couldn't be easier to install in a wide range of LaserJet printers.