1. [Fits 51mm Delonghi Portafilter basket]Joytata 51mm espresso dosing funnel fits Delonghi series: Delonghi La Specialista EC9335 9155 9355 9665, Delonghi ECP3420EC155BCO430EC260, Delonghi EC680 EC685. And other 51mm espresso machines Mr. coffee emcp50, primalatte 2, Breville esp8xl. 2. [No mess and waste]Smart dosing ring helps guide messy grinds directly into your portafilter basket. It delivers an improved consistency when dosing up the basket, a reduction of coffee wastage and mess, and a saving of the money you would normally lose due to that coffee wastage. 3. [Premium 304 Stainless Steel Coffee Dousing Funnel] Made of high quality 304 stainless steel portafilter funnel non-rust nor corrosive, food grade material, to your . Easy to clean and store,dishwasher dosing cup. 4. [Espresso Coffee Funnel for The Following Reasons] Keep your work station clean, reduce coffee waste (so precious), conveniently level your coffee grounds and increase the overall quality and consistency of your brew. The 51mm dosing funnel lip on the tub makes an almost perfect fit in a standard 51mm basket.