Samsung ML 2010 High Yield Toner Refill Kit 4 Pack, also for ML-2510 Dell 1100 Printers & ML-1610D3 ML-2010D3 Toner Cartridges Kit comes with 4 Bottles, Easy Instructions, Funnel Cap, Latex Gloves if needed; Toner Wipes- Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more. Product is guaranteed to be same quality print, Bottle size may vary BUT gram load is always the same. Great phone support with Laser Tek Services, not usually needed, but if you need it we are there for you. Replacement Reset Fuse Included (required for the 2510 only). Save big each time you refill and GO GREEN!!! These cloths are chemically treated to attract toner dust.