About This FITS 54mm PORTAFILTERS - The 54mm dosing funnel is compatible with Breville Barista & Bambino series and other 54mm portafilter basket. Note: The 54mm dosing funnel does not fit the integrated grinder slot on Breville Barista Express, Pro, Touch. Recommended for users who use a WDT tool to ensure optimal grind distribution. PREVENTS GRIND LOSS - Equipped with a Magnetic Espresso Funnel 54mm to direct coffee grounds into the basket without mess, crafted from durable, lightweight anodized aluminum. SNAPS ON SECURELY - Features a 54mm Portafilter Funnel with 8 Neodymium magnets lining the ring, ensuring a flawless snap to your portafilter basket. The magnets are pressed to fit directly into the ring, with no glue used. EASY REMOVAL - Ergonomic arc design on the Coffee Dosing Ring 54mm ensures a comfortable grip and effortless removal after dosing. USE WITH WDT TOOL - The Dosing Funnel 54mm is ideal for use with a WDT tool to break up clumps in your grinds while preventing spills. 0.2mm THICKNESS PUCK SCREEN - Redefines espresso puck screen standards with a thinner, more precise design compared to the 1.7mm version. You don't have to worry about deliberately reducing the amount of grounds. Note: Not recommended for dishwasher use.