Laser Tek Services &reg; High Yield Black Toner Refill Kit with Chip Compatible with Dell 1720 1720N 1720DN 310-8706 310-8707 310-3708 310-8709 Kit comes with 1 Bottle, 1 reset chip, Easy Instructions, Funnel Cap, Latex Gloves if needed, and a Toner Cloth Wipe Ships Directly from our warehouse within 1 business day! Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more. Great phone support with Laser Tek Services, not usually needed, but if you need it we are there for you. Save big each time you refill and GO GREEN!!!