* brand new and high quality. *Made of high quality material, and practical to use. *Delicate and exquisite, highly match the equipment. *There are enough O-rings in this set to replace all the O-rings on the top side of both your steam and brew boilers. You may choose to replace them all at once, or alternatively, you can selectively replace only those that are leaking and retain the remainder for maintenance. *Replacement Boiler O-Ring set For Breville 870/878/880/860/840/810/450/500 For Sage 500/810/870/875/878/880 Fast dispatch!