Toner Refill Store&trade; 2 Pack Compatible Replacement HP 711 Black CZ133A Ink Cartridges for use in the Hewlett Packard DesignJet T120, and HP DesignJet 520 printer models by NorthLand Wholesale For use in the following printer: HP DesignJet T120, DesignJet T520 Package includes the following: 2 Black CZ133A Compatible Replacement HP 711 Ink Cartridges Cartridge Capacity (ml): 80-ml per black cartridge Toner Refill Store offers free technical support for any questions you may have and our Product Comes with a 1 year 100% Satisfaction Guarantee! Northland Wholesale is the exclusive seller of Toner Refill Store toner refill kits, Inkjet Cartridges, Toner Cartridges, and Drum Units