Genuine BOPStaples Brand Manufactured Copier Staples - Highest Quality Since 2003 Brand New 3 Cartridges Per Box 5000 Staples Per Cartridge Many Machine Models can take more than one type of staple. Before ordering a staple, make sure it is compatible with your finisher Highest Quality BOPStaples Brand 100% Compatible for Maxco EH-C591XA, EHC591XA Staples, Staple Cartridge Refills. Packaged 3 Cartridges X 5000 Staples = 15000 Staples Per Box.