Dosing Funnel 54mm Breville: Specially designed for Breville barista express, barista touch, barista pro. It also fits to all 54mm portafilter espresso machine. Hands Free Espresso Funnel: Compared to the other funnel for portafilters without binaural design on the market, NOTSEK breville dosing funnel sits securely onto the portafilter without wobbling. Grinder Activating Tab: The espresso portafilter funnel features a built-in grinder activating tab, allowing it to function in direct harmony with the built-in grinder and grinder holder on coffee machine. Save coffe & keep clean: This 54mm espresso dosing funnel nests perfectly under the grinder to actuate the grind button. It is ideal to tamp the coffee powder without removing the dosing funnel. Reduce mess and no more waste coffee. Well-finised: Our breville accessories for espresso machine made of aluminum alloy. Sturdy enough for long-term use.