Introducing the Coffee Dosing Funnel by USEAMIE, designed specifically for 54mm Sage portafilters including Barista Express, Barista Pro, Barista Touch, Bambino, Bambino Plus, Infuser and Duo-Temp Pro. This upgraded funnel features snugly fitting grooves and an extended length for a better wrap around the portafilter, ensuring no loosening during use. The raised part of the metering ring triggers the start switch of the grinder for automatic coffee powder intake, with three raised parts that can be used perfectly for added convenience. Experience no spills, waste, or mess as all coffee goes directly into the portafilter basket, making loading and tamping effortless. Made of premium aluminum metal, this dishwasher-safe funnel is non-rust and non-corrosive, with a smooth and good feel. The Coffee Dosing Funnel measures 54 millimeters in diameter, perfect for use with your Sage espresso machine.