About This 54mm Dosing Cup for Breville: This dosing cup is specially designed to be fully compatible with Breville 54mm portafilters and Breville espresso machines with built-in grinders, including the Barista Express BES870XL, Barista Pro BES878BSS, and Barista Touch BES880BSS. It can also be compatible with standalone grinders such as the Breville Smart Pro, Niche Zero. Note: This 54mm dosing cup is NOT compatible with the Breville Barista Express Impress, Barista Touch Impress and Oracle Touch. Hands-Free Dosing Cup: Equipped with a grinder-activating tab, this dosing cup is designed for seamless, hands-free operation. Simply push to engage the grinder, and it will sit securely during the grinding process. It is fully compatible with popular Breville models, including the Barista Express, Barista Touch, and Barista Pro. Reduces Mess and Eliminates Waste: Designed to hold a full 18-21g ground coffee , this dosing cup is tall enough to prevent spills and help you avoid wasting ground coffee. It’s the perfect addition to your setup, keeping your ground coffee contained, reducing mess, and saving you ground coffee for every shot. Improve Your Workflow: Keep your machine and drip tray tidy with this efficient dosing cup. Its versatile design ensures accurate weighing of ground coffee and smooth transfer between grinder and portafilter. It fits perfectly into the Barista Express grinding handle, keeping ground coffee neatly contained in the portafilter for less mess and more consistent shots with minimal spillage. Easy to use, this tool streamlines your workflow, making the process cleaner and faster. A Worthwhile Investment: Crafted from premium aluminum alloy, this dosing cup is built to last, ensuring durability for long-term use and preventing waste of your precious coffee.beans. The smooth interior surface and wide opening make cleaning and maintenance quick and easy. Note: Hand wash only; not dishwasher safe.